18862578

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 29521422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 139, 189, 278, 359, 378, 417, 718, 834, 973, 1077, 1251, 1946, 2154, 2502, 2513, 2919, 3231, 3753, 5026, 5838, 6462, 7506, 7539, 8757, 9693, 15078, 17514, 19386, 22617, 26271, 45234, 49901, 52542, 67851, 99802, 135702, 149703, 299406, 349307, 449109, 698614, 898218, 1047921, 1347327, 2095842, 2694654, 3143763, 6287526, 9431289, 18862578]

約数ペア:

[(1, 18862578), (2, 9431289), (3, 6287526), (6, 3143763), (7, 2694654), (9, 2095842), (14, 1347327), (18, 1047921), (21, 898218), (27, 698614), (42, 449109), (54, 349307), (63, 299406), (126, 149703), (139, 135702), (189, 99802), (278, 67851), (359, 52542), (378, 49901), (417, 45234), (718, 26271), (834, 22617), (973, 19386), (1077, 17514), (1251, 15078), (1946, 9693), (2154, 8757), (2502, 7539), (2513, 7506), (2919, 6462), (3231, 5838), (3753, 5026)]