18102250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 36990720

約数和(自身を除く): 18888470

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 103, 125, 185, 190, 206, 250, 370, 475, 515, 703, 925, 950, 1030, 1406, 1850, 1957, 2375, 2575, 3515, 3811, 3914, 4625, 4750, 5150, 7030, 7622, 9250, 9785, 12875, 17575, 19055, 19570, 25750, 35150, 38110, 48925, 72409, 87875, 95275, 97850, 144818, 175750, 190550, 244625, 362045, 476375, 489250, 724090, 952750, 1810225, 3620450, 9051125, 18102250]

約数ペア:

[(1, 18102250), (2, 9051125), (5, 3620450), (10, 1810225), (19, 952750), (25, 724090), (37, 489250), (38, 476375), (50, 362045), (74, 244625), (95, 190550), (103, 175750), (125, 144818), (185, 97850), (190, 95275), (206, 87875), (250, 72409), (370, 48925), (475, 38110), (515, 35150), (703, 25750), (925, 19570), (950, 19055), (1030, 17575), (1406, 12875), (1850, 9785), (1957, 9250), (2375, 7622), (2575, 7030), (3515, 5150), (3811, 4750), (3914, 4625)]