18871890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 47295360

約数和(自身を除く): 28423470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 67, 82, 123, 134, 201, 205, 229, 246, 335, 402, 410, 458, 615, 670, 687, 1005, 1145, 1230, 1374, 2010, 2290, 2747, 3435, 5494, 6870, 8241, 9389, 13735, 15343, 16482, 18778, 27470, 28167, 30686, 41205, 46029, 46945, 56334, 76715, 82410, 92058, 93890, 140835, 153430, 230145, 281670, 460290, 629063, 1258126, 1887189, 3145315, 3774378, 6290630, 9435945, 18871890]

約数ペア:

[(1, 18871890), (2, 9435945), (3, 6290630), (5, 3774378), (6, 3145315), (10, 1887189), (15, 1258126), (30, 629063), (41, 460290), (67, 281670), (82, 230145), (123, 153430), (134, 140835), (201, 93890), (205, 92058), (229, 82410), (246, 76715), (335, 56334), (402, 46945), (410, 46029), (458, 41205), (615, 30686), (670, 28167), (687, 27470), (1005, 18778), (1145, 16482), (1230, 15343), (1374, 13735), (2010, 9389), (2290, 8241), (2747, 6870), (3435, 5494)]