18931494

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 20713146

約数列:

[1, 2, 3, 6, 37, 53, 74, 106, 111, 159, 222, 318, 1609, 1961, 3218, 3922, 4827, 5883, 9654, 11766, 59533, 85277, 119066, 170554, 178599, 255831, 357198, 511662, 3155249, 6310498, 9465747, 18931494]

約数ペア:

[(1, 18931494), (2, 9465747), (3, 6310498), (6, 3155249), (37, 511662), (53, 357198), (74, 255831), (106, 178599), (111, 170554), (159, 119066), (222, 85277), (318, 59533), (1609, 11766), (1961, 9654), (3218, 5883), (3922, 4827)]