19489824

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 40264416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 59, 62, 72, 74, 93, 96, 111, 118, 124, 144, 148, 177, 186, 222, 236, 248, 279, 288, 296, 333, 354, 372, 444, 472, 496, 531, 558, 592, 666, 708, 744, 888, 944, 992, 1062, 1116, 1147, 1184, 1332, 1416, 1488, 1776, 1829, 1888, 2124, 2183, 2232, 2294, 2664, 2832, 2976, 3441, 3552, 3658, 4248, 4366, 4464, 4588, 5328, 5487, 5664, 6549, 6882, 7316, 8496, 8732, 8928, 9176, 10323, 10656, 10974, 13098, 13764, 14632, 16461, 16992, 17464, 18352, 19647, 20646, 21948, 26196, 27528, 29264, 32922, 34928, 36704, 39294, 41292, 43896, 52392, 55056, 58528, 65844, 67673, 69856, 78588, 82584, 87792, 104784, 110112, 131688, 135346, 157176, 165168, 175584, 203019, 209568, 263376, 270692, 314352, 330336, 406038, 526752, 541384, 609057, 628704, 812076, 1082768, 1218114, 1624152, 2165536, 2436228, 3248304, 4872456, 6496608, 9744912, 19489824]

約数ペア:

[(1, 19489824), (2, 9744912), (3, 6496608), (4, 4872456), (6, 3248304), (8, 2436228), (9, 2165536), (12, 1624152), (16, 1218114), (18, 1082768), (24, 812076), (31, 628704), (32, 609057), (36, 541384), (37, 526752), (48, 406038), (59, 330336), (62, 314352), (72, 270692), (74, 263376), (93, 209568), (96, 203019), (111, 175584), (118, 165168), (124, 157176), (144, 135346), (148, 131688), (177, 110112), (186, 104784), (222, 87792), (236, 82584), (248, 78588), (279, 69856), (288, 67673), (296, 65844), (333, 58528), (354, 55056), (372, 52392), (444, 43896), (472, 41292), (496, 39294), (531, 36704), (558, 34928), (592, 32922), (666, 29264), (708, 27528), (744, 26196), (888, 21948), (944, 20646), (992, 19647), (1062, 18352), (1116, 17464), (1147, 16992), (1184, 16461), (1332, 14632), (1416, 13764), (1488, 13098), (1776, 10974), (1829, 10656), (1888, 10323), (2124, 9176), (2183, 8928), (2232, 8732), (2294, 8496), (2664, 7316), (2832, 6882), (2976, 6549), (3441, 5664), (3552, 5487), (3658, 5328), (4248, 4588), (4366, 4464)]