1917080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4357}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 4706640

約数和(自身を除く): 2789560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4357, 8714, 17428, 21785, 34856, 43570, 47927, 87140, 95854, 174280, 191708, 239635, 383416, 479270, 958540, 1917080]

約数ペア:

[(1, 1917080), (2, 958540), (4, 479270), (5, 383416), (8, 239635), (10, 191708), (11, 174280), (20, 95854), (22, 87140), (40, 47927), (44, 43570), (55, 34856), (88, 21785), (110, 17428), (220, 8714), (440, 4357)]