18903060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9547}}^1$

素因数の和:9573

約数の個数: 72

約数和(自身を含む): 62558496

約数和(自身を除く): 43655436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9547, 19094, 28641, 38188, 47735, 57282, 85923, 95470, 105017, 114564, 143205, 171846, 190940, 210034, 286410, 315051, 343692, 420068, 429615, 525085, 572820, 630102, 859230, 945153, 1050170, 1260204, 1575255, 1718460, 1890306, 2100340, 3150510, 3780612, 4725765, 6301020, 9451530, 18903060]

約数ペア:

[(1, 18903060), (2, 9451530), (3, 6301020), (4, 4725765), (5, 3780612), (6, 3150510), (9, 2100340), (10, 1890306), (11, 1718460), (12, 1575255), (15, 1260204), (18, 1050170), (20, 945153), (22, 859230), (30, 630102), (33, 572820), (36, 525085), (44, 429615), (45, 420068), (55, 343692), (60, 315051), (66, 286410), (90, 210034), (99, 190940), (110, 171846), (132, 143205), (165, 114564), (180, 105017), (198, 95470), (220, 85923), (330, 57282), (396, 47735), (495, 38188), (660, 28641), (990, 19094), (1980, 9547)]