18137560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 47013120

約数和(自身を除く): 28875560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 307, 422, 614, 844, 1055, 1228, 1477, 1535, 1688, 2110, 2149, 2456, 2954, 3070, 4220, 4298, 5908, 6140, 7385, 8440, 8596, 10745, 11816, 12280, 14770, 17192, 21490, 29540, 42980, 59080, 64777, 85960, 129554, 259108, 323885, 453439, 518216, 647770, 906878, 1295540, 1813756, 2267195, 2591080, 3627512, 4534390, 9068780, 18137560]

約数ペア:

[(1, 18137560), (2, 9068780), (4, 4534390), (5, 3627512), (7, 2591080), (8, 2267195), (10, 1813756), (14, 1295540), (20, 906878), (28, 647770), (35, 518216), (40, 453439), (56, 323885), (70, 259108), (140, 129554), (211, 85960), (280, 64777), (307, 59080), (422, 42980), (614, 29540), (844, 21490), (1055, 17192), (1228, 14770), (1477, 12280), (1535, 11816), (1688, 10745), (2110, 8596), (2149, 8440), (2456, 7385), (2954, 6140), (3070, 5908), (4220, 4298)]