18494480

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1531}}^1$

素因数の和:1695

約数の個数: 40

約数和(自身を含む): 43312704

約数和(自身を除く): 24818224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 1531, 2416, 3020, 3062, 6040, 6124, 7655, 12080, 12248, 15310, 24496, 30620, 61240, 122480, 231181, 462362, 924724, 1155905, 1849448, 2311810, 3698896, 4623620, 9247240, 18494480]

約数ペア:

[(1, 18494480), (2, 9247240), (4, 4623620), (5, 3698896), (8, 2311810), (10, 1849448), (16, 1155905), (20, 924724), (40, 462362), (80, 231181), (151, 122480), (302, 61240), (604, 30620), (755, 24496), (1208, 15310), (1510, 12248), (1531, 12080), (2416, 7655), (3020, 6124), (3062, 6040)]