17894920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 42923520

約数和(自身を除く): 25028600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 367, 424, 460, 530, 734, 920, 1060, 1219, 1468, 1835, 2120, 2438, 2936, 3670, 4876, 6095, 7340, 8441, 9752, 12190, 14680, 16882, 19451, 24380, 33764, 38902, 42205, 48760, 67528, 77804, 84410, 97255, 155608, 168820, 194510, 337640, 389020, 447373, 778040, 894746, 1789492, 2236865, 3578984, 4473730, 8947460, 17894920]

約数ペア:

[(1, 17894920), (2, 8947460), (4, 4473730), (5, 3578984), (8, 2236865), (10, 1789492), (20, 894746), (23, 778040), (40, 447373), (46, 389020), (53, 337640), (92, 194510), (106, 168820), (115, 155608), (184, 97255), (212, 84410), (230, 77804), (265, 67528), (367, 48760), (424, 42205), (460, 38902), (530, 33764), (734, 24380), (920, 19451), (1060, 16882), (1219, 14680), (1468, 12190), (1835, 9752), (2120, 8441), (2438, 7340), (2936, 6095), (3670, 4876)]