19916064

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 49031136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 37, 42, 48, 54, 56, 63, 72, 74, 84, 89, 96, 108, 111, 112, 126, 144, 148, 168, 178, 189, 216, 222, 224, 252, 259, 267, 288, 296, 333, 336, 356, 378, 432, 444, 504, 518, 534, 592, 623, 666, 672, 712, 756, 777, 801, 864, 888, 999, 1008, 1036, 1068, 1184, 1246, 1332, 1424, 1512, 1554, 1602, 1776, 1869, 1998, 2016, 2072, 2136, 2331, 2403, 2492, 2664, 2848, 3024, 3108, 3204, 3293, 3552, 3738, 3996, 4144, 4272, 4662, 4806, 4984, 5328, 5607, 6048, 6216, 6408, 6586, 6993, 7476, 7992, 8288, 8544, 9324, 9612, 9879, 9968, 10656, 11214, 12432, 12816, 13172, 13986, 14952, 15984, 16821, 18648, 19224, 19758, 19936, 22428, 23051, 24864, 25632, 26344, 27972, 29637, 29904, 31968, 33642, 37296, 38448, 39516, 44856, 46102, 52688, 55944, 59274, 59808, 67284, 69153, 74592, 76896, 79032, 88911, 89712, 92204, 105376, 111888, 118548, 134568, 138306, 158064, 177822, 179424, 184408, 207459, 223776, 237096, 269136, 276612, 316128, 355644, 368816, 414918, 474192, 538272, 553224, 622377, 711288, 737632, 829836, 948384, 1106448, 1244754, 1422576, 1659672, 2212896, 2489508, 2845152, 3319344, 4979016, 6638688, 9958032, 19916064]

約数ペア:

[(1, 19916064), (2, 9958032), (3, 6638688), (4, 4979016), (6, 3319344), (7, 2845152), (8, 2489508), (9, 2212896), (12, 1659672), (14, 1422576), (16, 1244754), (18, 1106448), (21, 948384), (24, 829836), (27, 737632), (28, 711288), (32, 622377), (36, 553224), (37, 538272), (42, 474192), (48, 414918), (54, 368816), (56, 355644), (63, 316128), (72, 276612), (74, 269136), (84, 237096), (89, 223776), (96, 207459), (108, 184408), (111, 179424), (112, 177822), (126, 158064), (144, 138306), (148, 134568), (168, 118548), (178, 111888), (189, 105376), (216, 92204), (222, 89712), (224, 88911), (252, 79032), (259, 76896), (267, 74592), (288, 69153), (296, 67284), (333, 59808), (336, 59274), (356, 55944), (378, 52688), (432, 46102), (444, 44856), (504, 39516), (518, 38448), (534, 37296), (592, 33642), (623, 31968), (666, 29904), (672, 29637), (712, 27972), (756, 26344), (777, 25632), (801, 24864), (864, 23051), (888, 22428), (999, 19936), (1008, 19758), (1036, 19224), (1068, 18648), (1184, 16821), (1246, 15984), (1332, 14952), (1424, 13986), (1512, 13172), (1554, 12816), (1602, 12432), (1776, 11214), (1869, 10656), (1998, 9968), (2016, 9879), (2072, 9612), (2136, 9324), (2331, 8544), (2403, 8288), (2492, 7992), (2664, 7476), (2848, 6993), (3024, 6586), (3108, 6408), (3204, 6216), (3293, 6048), (3552, 5607), (3738, 5328), (3996, 4984), (4144, 4806), (4272, 4662)]