19899786

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{54371}}^1$

素因数の和:54437

約数の個数: 16

約数和(自身を含む): 40452768

約数和(自身を除く): 20552982

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 54371, 108742, 163113, 326226, 3316631, 6633262, 9949893, 19899786]

約数ペア:

[(1, 19899786), (2, 9949893), (3, 6633262), (6, 3316631), (61, 326226), (122, 163113), (183, 108742), (366, 54371)]