18939646

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1368

約数の個数: 24

約数和(自身を含む): 31763592

約数和(自身を除く): 12823946

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1283, 1342, 2566, 7381, 14113, 14762, 28226, 78263, 155243, 156526, 310486, 860893, 1721786, 9469823, 18939646]

約数ペア:

[(1, 18939646), (2, 9469823), (11, 1721786), (22, 860893), (61, 310486), (121, 156526), (122, 155243), (242, 78263), (671, 28226), (1283, 14762), (1342, 14113), (2566, 7381)]