18153660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43223}}^1$

素因数の和:43242

約数の個数: 48

約数和(自身を含む): 58093056

約数和(自身を除く): 39939396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43223, 86446, 129669, 172892, 216115, 259338, 302561, 432230, 518676, 605122, 648345, 864460, 907683, 1210244, 1296690, 1512805, 1815366, 2593380, 3025610, 3630732, 4538415, 6051220, 9076830, 18153660]

約数ペア:

[(1, 18153660), (2, 9076830), (3, 6051220), (4, 4538415), (5, 3630732), (6, 3025610), (7, 2593380), (10, 1815366), (12, 1512805), (14, 1296690), (15, 1210244), (20, 907683), (21, 864460), (28, 648345), (30, 605122), (35, 518676), (42, 432230), (60, 302561), (70, 259338), (84, 216115), (105, 172892), (140, 129669), (210, 86446), (420, 43223)]