18802030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2371}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 37060128

約数和(自身を除く): 18258098

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2371, 3965, 4742, 7930, 11855, 23710, 30823, 61646, 144631, 154115, 289262, 308230, 723155, 1446310, 1880203, 3760406, 9401015, 18802030]

約数ペア:

[(1, 18802030), (2, 9401015), (5, 3760406), (10, 1880203), (13, 1446310), (26, 723155), (61, 308230), (65, 289262), (122, 154115), (130, 144631), (305, 61646), (610, 30823), (793, 23710), (1586, 11855), (2371, 7930), (3965, 4742)]