18389238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 25640202

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 59, 82, 118, 123, 177, 181, 246, 287, 354, 362, 413, 543, 574, 826, 861, 1086, 1239, 1267, 1722, 2419, 2478, 2534, 3801, 4838, 7257, 7421, 7602, 10679, 14514, 14842, 16933, 21358, 22263, 32037, 33866, 44526, 50799, 51947, 64074, 74753, 101598, 103894, 149506, 155841, 224259, 311682, 437839, 448518, 875678, 1313517, 2627034, 3064873, 6129746, 9194619, 18389238]

約数ペア:

[(1, 18389238), (2, 9194619), (3, 6129746), (6, 3064873), (7, 2627034), (14, 1313517), (21, 875678), (41, 448518), (42, 437839), (59, 311682), (82, 224259), (118, 155841), (123, 149506), (177, 103894), (181, 101598), (246, 74753), (287, 64074), (354, 51947), (362, 50799), (413, 44526), (543, 33866), (574, 32037), (826, 22263), (861, 21358), (1086, 16933), (1239, 14842), (1267, 14514), (1722, 10679), (2419, 7602), (2478, 7421), (2534, 7257), (3801, 4838)]