18753960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1193}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 56738880

約数和(自身を除く): 37984920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1193, 1310, 1572, 1965, 2386, 2620, 3144, 3579, 3930, 4772, 5240, 5965, 7158, 7860, 9544, 11930, 14316, 15720, 17895, 23860, 28632, 35790, 47720, 71580, 143160, 156283, 312566, 468849, 625132, 781415, 937698, 1250264, 1562830, 1875396, 2344245, 3125660, 3750792, 4688490, 6251320, 9376980, 18753960]

約数ペア:

[(1, 18753960), (2, 9376980), (3, 6251320), (4, 4688490), (5, 3750792), (6, 3125660), (8, 2344245), (10, 1875396), (12, 1562830), (15, 1250264), (20, 937698), (24, 781415), (30, 625132), (40, 468849), (60, 312566), (120, 156283), (131, 143160), (262, 71580), (393, 47720), (524, 35790), (655, 28632), (786, 23860), (1048, 17895), (1193, 15720), (1310, 14316), (1572, 11930), (1965, 9544), (2386, 7860), (2620, 7158), (3144, 5965), (3579, 5240), (3930, 4772)]