19969760740

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1787}}^1\times {\mathrm{1907}}^1$

素因数の和:3996

約数の個数: 48

約数和(自身を含む): 42125251392

約数和(自身を除く): 22155490652

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 1787, 1907, 2930, 3574, 3814, 5860, 7148, 7628, 8935, 9535, 17870, 19070, 35740, 38140, 523591, 558751, 1047182, 1117502, 2094364, 2235004, 2617955, 2793755, 3407809, 5235910, 5587510, 6815618, 10471820, 11175020, 13631236, 17039045, 34078090, 68156180, 998488037, 1996976074, 3993952148, 4992440185, 9984880370, 19969760740]

約数ペア:

[(1, 19969760740), (2, 9984880370), (4, 4992440185), (5, 3993952148), (10, 1996976074), (20, 998488037), (293, 68156180), (586, 34078090), (1172, 17039045), (1465, 13631236), (1787, 11175020), (1907, 10471820), (2930, 6815618), (3574, 5587510), (3814, 5235910), (5860, 3407809), (7148, 2793755), (7628, 2617955), (8935, 2235004), (9535, 2094364), (17870, 1117502), (19070, 1047182), (35740, 558751), (38140, 523591)]