18631447.000000000

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 680010240

約数和(自身を除く): 462999576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 156, 162, 186, 216, 234, 243, 248, 277, 279, 312, 324, 351, 372, 403, 468, 486, 554, 558, 648, 702, 744, 806, 831, 837, 936, 972, 1053, 1108, 1116, 1209, 1404, 1612, 1662, 1674, 1944, 2106, 2216, 2232, 2418, 2493, 2511, 2808, 3159, 3224, 3324, 3348, 3601, 3627, 4212, 4836, 4986, 5022, 6318, 6648, 6696, 7202, 7254, 7479, 7533, 8424, 8587, 9672, 9972, 10044, 10803, 10881, 12636, 14404, 14508, 14958, 15066, 17174, 19944, 20088, 21606, 21762, 22437, 25272, 25761, 28808, 29016, 29916, 30132, 32409, 32643, 34348, 43212, 43524, 44874, 51522, 59832, 60264, 64818, 65286, 67311, 68696, 77283, 86424, 87048, 89748, 97227, 97929, 103044, 111631, 129636, 130572, 134622, 154566, 179496, 194454, 195858, 206088, 223262, 231849, 259272, 261144, 269244, 291681, 309132, 334893, 388908, 391716, 446524, 463698, 538488, 583362, 618264, 669786, 695547, 777816, 783432, 875043, 893048, 927396, 1004679, 1166724, 1339572, 1391094, 1750086, 1854792, 2009358, 2086641, 2333448, 2679144, 2782188, 3014037, 3500172, 4018716, 4173282, 5564376, 6028074, 7000344, 8037432, 8346564, 9042111, 12056148, 16693128, 18084222, 24112296, 27126333, 36168444, 54252666, 72336888, 108505332, 217010664]

約数ペア:

[(1, 217010664), (2, 108505332), (3, 72336888), (4, 54252666), (6, 36168444), (8, 27126333), (9, 24112296), (12, 18084222), (13, 16693128), (18, 12056148), (24, 9042111), (26, 8346564), (27, 8037432), (31, 7000344), (36, 6028074), (39, 5564376), (52, 4173282), (54, 4018716), (62, 3500172), (72, 3014037), (78, 2782188), (81, 2679144), (93, 2333448), (104, 2086641), (108, 2009358), (117, 1854792), (124, 1750086), (156, 1391094), (162, 1339572), (186, 1166724), (216, 1004679), (234, 927396), (243, 893048), (248, 875043), (277, 783432), (279, 777816), (312, 695547), (324, 669786), (351, 618264), (372, 583362), (403, 538488), (468, 463698), (486, 446524), (554, 391716), (558, 388908), (648, 334893), (702, 309132), (744, 291681), (806, 269244), (831, 261144), (837, 259272), (936, 231849), (972, 223262), (1053, 206088), (1108, 195858), (1116, 194454), (1209, 179496), (1404, 154566), (1612, 134622), (1662, 130572), (1674, 129636), (1944, 111631), (2106, 103044), (2216, 97929), (2232, 97227), (2418, 89748), (2493, 87048), (2511, 86424), (2808, 77283), (3159, 68696), (3224, 67311), (3324, 65286), (3348, 64818), (3601, 60264), (3627, 59832), (4212, 51522), (4836, 44874), (4986, 43524), (5022, 43212), (6318, 34348), (6648, 32643), (6696, 32409), (7202, 30132), (7254, 29916), (7479, 29016), (7533, 28808), (8424, 25761), (8587, 25272), (9672, 22437), (9972, 21762), (10044, 21606), (10803, 20088), (10881, 19944), (12636, 17174), (14404, 15066), (14508, 14958)]