20181870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4231}}^1$

素因数の和:4297

約数の個数: 48

約数和(自身を含む): 53475552

約数和(自身を除く): 33293682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4231, 4770, 8462, 12693, 21155, 25386, 38079, 42310, 63465, 76158, 126930, 190395, 224243, 380790, 448486, 672729, 1121215, 1345458, 2018187, 2242430, 3363645, 4036374, 6727290, 10090935, 20181870]

約数ペア:

[(1, 20181870), (2, 10090935), (3, 6727290), (5, 4036374), (6, 3363645), (9, 2242430), (10, 2018187), (15, 1345458), (18, 1121215), (30, 672729), (45, 448486), (53, 380790), (90, 224243), (106, 190395), (159, 126930), (265, 76158), (318, 63465), (477, 42310), (530, 38079), (795, 25386), (954, 21155), (1590, 12693), (2385, 8462), (4231, 4770)]