18491164

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 33431328

約数和(自身を除く): 14940164

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 823, 1646, 3292, 5617, 11234, 22468, 33743, 67486, 112751, 134972, 225502, 451004, 4622791, 9245582, 18491164]

約数ペア:

[(1, 18491164), (2, 9245582), (4, 4622791), (41, 451004), (82, 225502), (137, 134972), (164, 112751), (274, 67486), (548, 33743), (823, 22468), (1646, 11234), (3292, 5617)]