18334640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7393}}^1$

素因数の和:7437

約数の個数: 40

約数和(自身を含む): 44009088

約数和(自身を除く): 25674448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7393, 14786, 29572, 36965, 59144, 73930, 118288, 147860, 229183, 295720, 458366, 591440, 916732, 1145915, 1833464, 2291830, 3666928, 4583660, 9167320, 18334640]

約数ペア:

[(1, 18334640), (2, 9167320), (4, 4583660), (5, 3666928), (8, 2291830), (10, 1833464), (16, 1145915), (20, 916732), (31, 591440), (40, 458366), (62, 295720), (80, 229183), (124, 147860), (155, 118288), (248, 73930), (310, 59144), (496, 36965), (620, 29572), (1240, 14786), (2480, 7393)]