17961990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12739}}^1$

素因数の和:12796

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 26067450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 12739, 25478, 38217, 63695, 76434, 127390, 191085, 382170, 598733, 1197466, 1796199, 2993665, 3592398, 5987330, 8980995, 17961990]

約数ペア:

[(1, 17961990), (2, 8980995), (3, 5987330), (5, 3592398), (6, 2993665), (10, 1796199), (15, 1197466), (30, 598733), (47, 382170), (94, 191085), (141, 127390), (235, 76434), (282, 63695), (470, 38217), (705, 25478), (1410, 12739)]