18882920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1$

素因数の和:4002

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 32542360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3967, 4760, 7934, 15868, 19835, 27769, 31736, 39670, 55538, 67439, 79340, 111076, 134878, 138845, 158680, 222152, 269756, 277690, 337195, 472073, 539512, 555380, 674390, 944146, 1110760, 1348780, 1888292, 2360365, 2697560, 3776584, 4720730, 9441460, 18882920]

約数ペア:

[(1, 18882920), (2, 9441460), (4, 4720730), (5, 3776584), (7, 2697560), (8, 2360365), (10, 1888292), (14, 1348780), (17, 1110760), (20, 944146), (28, 674390), (34, 555380), (35, 539512), (40, 472073), (56, 337195), (68, 277690), (70, 269756), (85, 222152), (119, 158680), (136, 138845), (140, 134878), (170, 111076), (238, 79340), (280, 67439), (340, 55538), (476, 39670), (595, 31736), (680, 27769), (952, 19835), (1190, 15868), (2380, 7934), (3967, 4760)]