18903588

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 49693056

約数和(自身を除く): 30789468

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 121, 132, 141, 188, 242, 277, 282, 363, 484, 517, 554, 564, 726, 831, 1034, 1108, 1452, 1551, 1662, 2068, 3047, 3102, 3324, 5687, 6094, 6204, 9141, 11374, 12188, 13019, 17061, 18282, 22748, 26038, 33517, 34122, 36564, 39057, 52076, 67034, 68244, 78114, 100551, 134068, 143209, 156228, 201102, 286418, 402204, 429627, 572836, 859254, 1575299, 1718508, 3150598, 4725897, 6301196, 9451794, 18903588]

約数ペア:

[(1, 18903588), (2, 9451794), (3, 6301196), (4, 4725897), (6, 3150598), (11, 1718508), (12, 1575299), (22, 859254), (33, 572836), (44, 429627), (47, 402204), (66, 286418), (94, 201102), (121, 156228), (132, 143209), (141, 134068), (188, 100551), (242, 78114), (277, 68244), (282, 67034), (363, 52076), (484, 39057), (517, 36564), (554, 34122), (564, 33517), (726, 26038), (831, 22748), (1034, 18282), (1108, 17061), (1452, 13019), (1551, 12188), (1662, 11374), (2068, 9141), (3047, 6204), (3102, 6094), (3324, 5687)]