19500140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{587}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 25545364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 587, 604, 755, 1174, 1510, 1661, 2348, 2935, 3020, 3322, 5870, 6457, 6644, 8305, 11740, 12914, 16610, 25828, 32285, 33220, 64570, 88637, 129140, 177274, 354548, 443185, 886370, 975007, 1772740, 1950014, 3900028, 4875035, 9750070, 19500140]

約数ペア:

[(1, 19500140), (2, 9750070), (4, 4875035), (5, 3900028), (10, 1950014), (11, 1772740), (20, 975007), (22, 886370), (44, 443185), (55, 354548), (110, 177274), (151, 129140), (220, 88637), (302, 64570), (587, 33220), (604, 32285), (755, 25828), (1174, 16610), (1510, 12914), (1661, 11740), (2348, 8305), (2935, 6644), (3020, 6457), (3322, 5870)]