19880362

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7457}}^1$

素因数の和:7533

約数の個数: 16

約数和(自身を含む): 31502592

約数和(自身を除く): 11622230

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7457, 14914, 231167, 320651, 462334, 641302, 9940181, 19880362]

約数ペア:

[(1, 19880362), (2, 9940181), (31, 641302), (43, 462334), (62, 320651), (86, 231167), (1333, 14914), (2666, 7457)]