18046880

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 42978600

約数和(自身を除く): 24931720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 757, 1192, 1490, 1514, 2384, 2980, 3028, 3785, 4768, 5960, 6056, 7570, 11920, 12112, 15140, 23840, 24224, 30280, 60560, 112793, 121120, 225586, 451172, 563965, 902344, 1127930, 1804688, 2255860, 3609376, 4511720, 9023440, 18046880]

約数ペア:

[(1, 18046880), (2, 9023440), (4, 4511720), (5, 3609376), (8, 2255860), (10, 1804688), (16, 1127930), (20, 902344), (32, 563965), (40, 451172), (80, 225586), (149, 121120), (160, 112793), (298, 60560), (596, 30280), (745, 24224), (757, 23840), (1192, 15140), (1490, 12112), (1514, 11920), (2384, 7570), (2980, 6056), (3028, 5960), (3785, 4768)]