18493926

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 43670016

約数和(自身を除く): 25176090

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 53, 66, 102, 106, 159, 187, 311, 318, 374, 561, 583, 622, 901, 933, 1122, 1166, 1749, 1802, 1866, 2703, 3421, 3498, 5287, 5406, 6842, 9911, 10263, 10574, 15861, 16483, 19822, 20526, 29733, 31722, 32966, 49449, 58157, 59466, 98898, 116314, 174471, 181313, 280211, 348942, 362626, 543939, 560422, 840633, 1087878, 1681266, 3082321, 6164642, 9246963, 18493926]

約数ペア:

[(1, 18493926), (2, 9246963), (3, 6164642), (6, 3082321), (11, 1681266), (17, 1087878), (22, 840633), (33, 560422), (34, 543939), (51, 362626), (53, 348942), (66, 280211), (102, 181313), (106, 174471), (159, 116314), (187, 98898), (311, 59466), (318, 58157), (374, 49449), (561, 32966), (583, 31722), (622, 29733), (901, 20526), (933, 19822), (1122, 16483), (1166, 15861), (1749, 10574), (1802, 10263), (1866, 9911), (2703, 6842), (3421, 5406), (3498, 5287)]