19431178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13228022

約数列:

[1, 2, 13, 26, 53, 59, 106, 118, 239, 478, 689, 767, 1378, 1534, 3107, 3127, 6214, 6254, 12667, 14101, 25334, 28202, 40651, 81302, 164671, 183313, 329342, 366626, 747353, 1494706, 9715589, 19431178]

約数ペア:

[(1, 19431178), (2, 9715589), (13, 1494706), (26, 747353), (53, 366626), (59, 329342), (106, 183313), (118, 164671), (239, 81302), (478, 40651), (689, 28202), (767, 25334), (1378, 14101), (1534, 12667), (3107, 6254), (3127, 6214)]