19740870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5101}}^1$

素因数の和:5157

約数の個数: 48

約数和(自身を含む): 52530192

約数和(自身を除く): 32789322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5101, 10202, 15303, 25505, 30606, 45909, 51010, 76515, 91818, 153030, 219343, 229545, 438686, 459090, 658029, 1096715, 1316058, 1974087, 2193430, 3290145, 3948174, 6580290, 9870435, 19740870]

約数ペア:

[(1, 19740870), (2, 9870435), (3, 6580290), (5, 3948174), (6, 3290145), (9, 2193430), (10, 1974087), (15, 1316058), (18, 1096715), (30, 658029), (43, 459090), (45, 438686), (86, 229545), (90, 219343), (129, 153030), (215, 91818), (258, 76515), (387, 51010), (430, 45909), (645, 30606), (774, 25505), (1290, 15303), (1935, 10202), (3870, 5101)]