19174857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 29366400

約数和(自身を除く): 10191543

約数列:

[1, 3, 13, 19, 39, 57, 113, 229, 247, 339, 687, 741, 1469, 2147, 2977, 4351, 4407, 6441, 8931, 13053, 25877, 27911, 56563, 77631, 83733, 169689, 336401, 491663, 1009203, 1474989, 6391619, 19174857]

約数ペア:

[(1, 19174857), (3, 6391619), (13, 1474989), (19, 1009203), (39, 491663), (57, 336401), (113, 169689), (229, 83733), (247, 77631), (339, 56563), (687, 27911), (741, 25877), (1469, 13053), (2147, 8931), (2977, 6441), (4351, 4407)]