18876680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16273}}^1$

素因数の和:16313

約数の個数: 32

約数和(自身を含む): 43939800

約数和(自身を除く): 25063120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16273, 32546, 65092, 81365, 130184, 162730, 325460, 471917, 650920, 943834, 1887668, 2359585, 3775336, 4719170, 9438340, 18876680]

約数ペア:

[(1, 18876680), (2, 9438340), (4, 4719170), (5, 3775336), (8, 2359585), (10, 1887668), (20, 943834), (29, 650920), (40, 471917), (58, 325460), (116, 162730), (145, 130184), (232, 81365), (290, 65092), (580, 32546), (1160, 16273)]