18667560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2218

約数の個数: 64

約数和(自身を含む): 56796480

約数和(自身を除く): 38128920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2131, 2190, 2920, 4262, 4380, 6393, 8524, 8760, 10655, 12786, 17048, 21310, 25572, 31965, 42620, 51144, 63930, 85240, 127860, 155563, 255720, 311126, 466689, 622252, 777815, 933378, 1244504, 1555630, 1866756, 2333445, 3111260, 3733512, 4666890, 6222520, 9333780, 18667560]

約数ペア:

[(1, 18667560), (2, 9333780), (3, 6222520), (4, 4666890), (5, 3733512), (6, 3111260), (8, 2333445), (10, 1866756), (12, 1555630), (15, 1244504), (20, 933378), (24, 777815), (30, 622252), (40, 466689), (60, 311126), (73, 255720), (120, 155563), (146, 127860), (219, 85240), (292, 63930), (365, 51144), (438, 42620), (584, 31965), (730, 25572), (876, 21310), (1095, 17048), (1460, 12786), (1752, 10655), (2131, 8760), (2190, 8524), (2920, 6393), (4262, 4380)]