18864078

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 38810016

約数和(自身を除く): 19945938

約数列:

[1, 2, 3, 6, 53, 106, 137, 159, 274, 318, 411, 433, 822, 866, 1299, 2598, 7261, 14522, 21783, 22949, 43566, 45898, 59321, 68847, 118642, 137694, 177963, 355926, 3144013, 6288026, 9432039, 18864078]

約数ペア:

[(1, 18864078), (2, 9432039), (3, 6288026), (6, 3144013), (53, 355926), (106, 177963), (137, 137694), (159, 118642), (274, 68847), (318, 59321), (411, 45898), (433, 43566), (822, 22949), (866, 21783), (1299, 14522), (2598, 7261)]