18996985908

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2221}}^1\times {\mathrm{4027}}^1$

素因数の和:6317

約数の個数: 72

約数和(自身を含む): 48868179360

約数和(自身を除く): 29871193452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 2221, 4027, 4442, 6663, 8054, 8884, 12081, 13326, 16108, 19989, 24162, 26652, 36243, 39978, 48324, 72486, 79956, 131039, 144972, 237593, 262078, 393117, 475186, 524156, 712779, 786234, 950372, 1179351, 1425558, 1572468, 2138337, 2358702, 2851116, 4276674, 4717404, 8553348, 8943967, 17887934, 26831901, 35775868, 53663802, 80495703, 107327604, 160991406, 321982812, 527694053, 1055388106, 1583082159, 2110776212, 3166164318, 4749246477, 6332328636, 9498492954, 18996985908]

約数ペア:

[(1, 18996985908), (2, 9498492954), (3, 6332328636), (4, 4749246477), (6, 3166164318), (9, 2110776212), (12, 1583082159), (18, 1055388106), (36, 527694053), (59, 321982812), (118, 160991406), (177, 107327604), (236, 80495703), (354, 53663802), (531, 35775868), (708, 26831901), (1062, 17887934), (2124, 8943967), (2221, 8553348), (4027, 4717404), (4442, 4276674), (6663, 2851116), (8054, 2358702), (8884, 2138337), (12081, 1572468), (13326, 1425558), (16108, 1179351), (19989, 950372), (24162, 786234), (26652, 712779), (36243, 524156), (39978, 475186), (48324, 393117), (72486, 262078), (79956, 237593), (131039, 144972)]