18901479822

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{621473}}^1$

素因数の和:621652

約数の個数: 32

約数和(自身を含む): 39108115872

約数和(自身を除く): 20206636050

約数列:

[1, 2, 3, 6, 37, 74, 111, 137, 222, 274, 411, 822, 5069, 10138, 15207, 30414, 621473, 1242946, 1864419, 3728838, 22994501, 45989002, 68983503, 85141801, 137967006, 170283602, 255425403, 510850806, 3150246637, 6300493274, 9450739911, 18901479822]

約数ペア:

[(1, 18901479822), (2, 9450739911), (3, 6300493274), (6, 3150246637), (37, 510850806), (74, 255425403), (111, 170283602), (137, 137967006), (222, 85141801), (274, 68983503), (411, 45989002), (822, 22994501), (5069, 3728838), (10138, 1864419), (15207, 1242946), (30414, 621473)]