18324579

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 31460352

約数和(自身を除く): 13135773

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 223, 273, 301, 559, 637, 669, 903, 1561, 1677, 1911, 2107, 2899, 3913, 4683, 6321, 8697, 9589, 10927, 11739, 20293, 27391, 28767, 32781, 60879, 67123, 82173, 124657, 142051, 201369, 373971, 426153, 469861, 872599, 1409583, 2617797, 6108193, 18324579]

約数ペア:

[(1, 18324579), (3, 6108193), (7, 2617797), (13, 1409583), (21, 872599), (39, 469861), (43, 426153), (49, 373971), (91, 201369), (129, 142051), (147, 124657), (223, 82173), (273, 67123), (301, 60879), (559, 32781), (637, 28767), (669, 27391), (903, 20293), (1561, 11739), (1677, 10927), (1911, 9589), (2107, 8697), (2899, 6321), (3913, 4683)]