19181870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 17313490

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 1439, 2666, 2878, 6665, 7195, 13330, 14390, 44609, 61877, 89218, 123754, 223045, 309385, 446090, 618770, 1918187, 3836374, 9590935, 19181870]

約数ペア:

[(1, 19181870), (2, 9590935), (5, 3836374), (10, 1918187), (31, 618770), (43, 446090), (62, 309385), (86, 223045), (155, 123754), (215, 89218), (310, 61877), (430, 44609), (1333, 14390), (1439, 13330), (2666, 7195), (2878, 6665)]