19994274

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 44871840

約数和(自身を除く): 24877566

約数列:

[1, 2, 3, 6, 9, 18, 59, 67, 118, 134, 177, 201, 281, 354, 402, 531, 562, 603, 843, 1062, 1206, 1686, 2529, 3953, 5058, 7906, 11859, 16579, 18827, 23718, 33158, 35577, 37654, 49737, 56481, 71154, 99474, 112962, 149211, 169443, 298422, 338886, 1110793, 2221586, 3332379, 6664758, 9997137, 19994274]

約数ペア:

[(1, 19994274), (2, 9997137), (3, 6664758), (6, 3332379), (9, 2221586), (18, 1110793), (59, 338886), (67, 298422), (118, 169443), (134, 149211), (177, 112962), (201, 99474), (281, 71154), (354, 56481), (402, 49737), (531, 37654), (562, 35577), (603, 33158), (843, 23718), (1062, 18827), (1206, 16579), (1686, 11859), (2529, 7906), (3953, 5058)]