18631890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 50123520

約数和(自身を除く): 31491630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 457, 755, 906, 914, 1359, 1371, 1510, 2265, 2285, 2718, 2742, 4077, 4113, 4530, 4570, 6795, 6855, 8154, 8226, 12339, 13590, 13710, 20385, 20565, 24678, 40770, 41130, 61695, 69007, 123390, 138014, 207021, 345035, 414042, 621063, 690070, 1035105, 1242126, 1863189, 2070210, 3105315, 3726378, 6210630, 9315945, 18631890]

約数ペア:

[(1, 18631890), (2, 9315945), (3, 6210630), (5, 3726378), (6, 3105315), (9, 2070210), (10, 1863189), (15, 1242126), (18, 1035105), (27, 690070), (30, 621063), (45, 414042), (54, 345035), (90, 207021), (135, 138014), (151, 123390), (270, 69007), (302, 61695), (453, 41130), (457, 40770), (755, 24678), (906, 20565), (914, 20385), (1359, 13710), (1371, 13590), (1510, 12339), (2265, 8226), (2285, 8154), (2718, 6855), (2742, 6795), (4077, 4570), (4113, 4530)]