19268793680

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{670919}}^1$

素因数の和:671291

約数の個数: 40

約数和(自身を含む): 44924803200

約数和(自身を除く): 25656009520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 14360, 28720, 670919, 1341838, 2683676, 3354595, 5367352, 6709190, 10734704, 13418380, 26836760, 53673520, 240859921, 481719842, 963439684, 1204299605, 1926879368, 2408599210, 3853758736, 4817198420, 9634396840, 19268793680]

約数ペア:

[(1, 19268793680), (2, 9634396840), (4, 4817198420), (5, 3853758736), (8, 2408599210), (10, 1926879368), (16, 1204299605), (20, 963439684), (40, 481719842), (80, 240859921), (359, 53673520), (718, 26836760), (1436, 13418380), (1795, 10734704), (2872, 6709190), (3590, 5367352), (5744, 3354595), (7180, 2683676), (14360, 1341838), (28720, 670919)]