19936878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1097}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 43164576

約数和(自身を除く): 23227698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 233, 466, 699, 1097, 1398, 2194, 3029, 3291, 6058, 6582, 9087, 14261, 18174, 28522, 42783, 85566, 255601, 511202, 766803, 1533606, 3322813, 6645626, 9968439, 19936878]

約数ペア:

[(1, 19936878), (2, 9968439), (3, 6645626), (6, 3322813), (13, 1533606), (26, 766803), (39, 511202), (78, 255601), (233, 85566), (466, 42783), (699, 28522), (1097, 18174), (1398, 14261), (2194, 9087), (3029, 6582), (3291, 6058)]