19017920

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:697

約数の個数: 56

約数和(自身を含む): 45805344

約数和(自身を除く): 26787424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 577, 824, 1030, 1154, 1648, 2060, 2308, 2885, 3296, 4120, 4616, 5770, 6592, 8240, 9232, 11540, 16480, 18464, 23080, 32960, 36928, 46160, 59431, 92320, 118862, 184640, 237724, 297155, 475448, 594310, 950896, 1188620, 1901792, 2377240, 3803584, 4754480, 9508960, 19017920]

約数ペア:

[(1, 19017920), (2, 9508960), (4, 4754480), (5, 3803584), (8, 2377240), (10, 1901792), (16, 1188620), (20, 950896), (32, 594310), (40, 475448), (64, 297155), (80, 237724), (103, 184640), (160, 118862), (206, 92320), (320, 59431), (412, 46160), (515, 36928), (577, 32960), (824, 23080), (1030, 18464), (1154, 16480), (1648, 11540), (2060, 9232), (2308, 8240), (2885, 6592), (3296, 5770), (4120, 4616)]