18822960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2043

約数の個数: 120

約数和(自身を含む): 68110224

約数和(自身を除く): 49287264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2011, 2340, 3120, 4022, 4680, 6033, 8044, 9360, 10055, 12066, 16088, 18099, 20110, 24132, 26143, 30165, 32176, 36198, 40220, 48264, 52286, 60330, 72396, 78429, 80440, 90495, 96528, 104572, 120660, 130715, 144792, 156858, 160880, 180990, 209144, 235287, 241320, 261430, 289584, 313716, 361980, 392145, 418288, 470574, 482640, 522860, 627432, 723960, 784290, 941148, 1045720, 1176435, 1254864, 1447920, 1568580, 1882296, 2091440, 2352870, 3137160, 3764592, 4705740, 6274320, 9411480, 18822960]

約数ペア:

[(1, 18822960), (2, 9411480), (3, 6274320), (4, 4705740), (5, 3764592), (6, 3137160), (8, 2352870), (9, 2091440), (10, 1882296), (12, 1568580), (13, 1447920), (15, 1254864), (16, 1176435), (18, 1045720), (20, 941148), (24, 784290), (26, 723960), (30, 627432), (36, 522860), (39, 482640), (40, 470574), (45, 418288), (48, 392145), (52, 361980), (60, 313716), (65, 289584), (72, 261430), (78, 241320), (80, 235287), (90, 209144), (104, 180990), (117, 160880), (120, 156858), (130, 144792), (144, 130715), (156, 120660), (180, 104572), (195, 96528), (208, 90495), (234, 80440), (240, 78429), (260, 72396), (312, 60330), (360, 52286), (390, 48264), (468, 40220), (520, 36198), (585, 32176), (624, 30165), (720, 26143), (780, 24132), (936, 20110), (1040, 18099), (1170, 16088), (1560, 12066), (1872, 10055), (2011, 9360), (2340, 8044), (3120, 6033), (4022, 4680)]