19688370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2699

約数の個数: 64

約数和(自身を含む): 53585280

約数和(自身を除く): 33896910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2657, 3705, 5314, 7410, 7971, 13285, 15942, 26570, 34541, 39855, 50483, 69082, 79710, 100966, 103623, 151449, 172705, 207246, 252415, 302898, 345410, 504830, 518115, 656279, 757245, 1036230, 1312558, 1514490, 1968837, 3281395, 3937674, 6562790, 9844185, 19688370]

約数ペア:

[(1, 19688370), (2, 9844185), (3, 6562790), (5, 3937674), (6, 3281395), (10, 1968837), (13, 1514490), (15, 1312558), (19, 1036230), (26, 757245), (30, 656279), (38, 518115), (39, 504830), (57, 345410), (65, 302898), (78, 252415), (95, 207246), (114, 172705), (130, 151449), (190, 103623), (195, 100966), (247, 79710), (285, 69082), (390, 50483), (494, 39855), (570, 34541), (741, 26570), (1235, 15942), (1482, 13285), (2470, 7971), (2657, 7410), (3705, 5314)]