18894160

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4003}}^1$

素因数の和:4075

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 25790480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4003, 4720, 8006, 16012, 20015, 32024, 40030, 64048, 80060, 160120, 236177, 320240, 472354, 944708, 1180885, 1889416, 2361770, 3778832, 4723540, 9447080, 18894160]

約数ペア:

[(1, 18894160), (2, 9447080), (4, 4723540), (5, 3778832), (8, 2361770), (10, 1889416), (16, 1180885), (20, 944708), (40, 472354), (59, 320240), (80, 236177), (118, 160120), (236, 80060), (295, 64048), (472, 40030), (590, 32024), (944, 20015), (1180, 16012), (2360, 8006), (4003, 4720)]