18084040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 26368760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 419, 520, 664, 830, 838, 1079, 1660, 1676, 2095, 2158, 3320, 3352, 4190, 4316, 5395, 5447, 8380, 8632, 10790, 10894, 16760, 21580, 21788, 27235, 34777, 43160, 43576, 54470, 69554, 108940, 139108, 173885, 217880, 278216, 347770, 452101, 695540, 904202, 1391080, 1808404, 2260505, 3616808, 4521010, 9042020, 18084040]

約数ペア:

[(1, 18084040), (2, 9042020), (4, 4521010), (5, 3616808), (8, 2260505), (10, 1808404), (13, 1391080), (20, 904202), (26, 695540), (40, 452101), (52, 347770), (65, 278216), (83, 217880), (104, 173885), (130, 139108), (166, 108940), (260, 69554), (332, 54470), (415, 43576), (419, 43160), (520, 34777), (664, 27235), (830, 21788), (838, 21580), (1079, 16760), (1660, 10894), (1676, 10790), (2095, 8632), (2158, 8380), (3320, 5447), (3352, 5395), (4190, 4316)]