18637398

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 26521002

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 139, 191, 234, 278, 351, 382, 417, 573, 702, 834, 1146, 1251, 1719, 1807, 2483, 2502, 3438, 3614, 3753, 4966, 5157, 5421, 7449, 7506, 10314, 10842, 14898, 16263, 22347, 26549, 32526, 44694, 48789, 53098, 67041, 79647, 97578, 134082, 159294, 238941, 345137, 477882, 690274, 716823, 1035411, 1433646, 2070822, 3106233, 6212466, 9318699, 18637398]

約数ペア:

[(1, 18637398), (2, 9318699), (3, 6212466), (6, 3106233), (9, 2070822), (13, 1433646), (18, 1035411), (26, 716823), (27, 690274), (39, 477882), (54, 345137), (78, 238941), (117, 159294), (139, 134082), (191, 97578), (234, 79647), (278, 67041), (351, 53098), (382, 48789), (417, 44694), (573, 32526), (702, 26549), (834, 22347), (1146, 16263), (1251, 14898), (1719, 10842), (1807, 10314), (2483, 7506), (2502, 7449), (3438, 5421), (3614, 5157), (3753, 4966)]