16589660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 37044000

約数和(自身を除く): 20454340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 293, 298, 380, 586, 596, 745, 1172, 1465, 1490, 2831, 2930, 2980, 5567, 5662, 5860, 11134, 11324, 14155, 22268, 27835, 28310, 43657, 55670, 56620, 87314, 111340, 174628, 218285, 436570, 829483, 873140, 1658966, 3317932, 4147415, 8294830, 16589660]

約数ペア:

[(1, 16589660), (2, 8294830), (4, 4147415), (5, 3317932), (10, 1658966), (19, 873140), (20, 829483), (38, 436570), (76, 218285), (95, 174628), (149, 111340), (190, 87314), (293, 56620), (298, 55670), (380, 43657), (586, 28310), (596, 27835), (745, 22268), (1172, 14155), (1465, 11324), (1490, 11134), (2831, 5860), (2930, 5662), (2980, 5567)]