18549830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{487}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 36154944

約数和(自身を除く): 17605114

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 487, 586, 974, 1465, 2435, 2930, 3809, 4870, 6331, 7618, 12662, 19045, 31655, 38090, 63310, 142691, 285382, 713455, 1426910, 1854983, 3709966, 9274915, 18549830]

約数ペア:

[(1, 18549830), (2, 9274915), (5, 3709966), (10, 1854983), (13, 1426910), (26, 713455), (65, 285382), (130, 142691), (293, 63310), (487, 38090), (586, 31655), (974, 19045), (1465, 12662), (2435, 7618), (2930, 6331), (3809, 4870)]