19753958

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:241

約数の個数: 36

約数和(自身を含む): 36638460

約数和(自身を除く): 16884502

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 103, 133, 206, 266, 721, 931, 1442, 1862, 1957, 3914, 5047, 10094, 10609, 13699, 21218, 27398, 74263, 95893, 148526, 191786, 201571, 403142, 519841, 1039682, 1410997, 2821994, 9876979, 19753958]

約数ペア:

[(1, 19753958), (2, 9876979), (7, 2821994), (14, 1410997), (19, 1039682), (38, 519841), (49, 403142), (98, 201571), (103, 191786), (133, 148526), (206, 95893), (266, 74263), (721, 27398), (931, 21218), (1442, 13699), (1862, 10609), (1957, 10094), (3914, 5047)]