18194990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 17730130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 659, 1255, 1318, 2510, 2761, 3295, 5522, 6590, 7249, 13805, 14498, 27610, 36245, 72490, 165409, 330818, 827045, 1654090, 1819499, 3638998, 9097495, 18194990]

約数ペア:

[(1, 18194990), (2, 9097495), (5, 3638998), (10, 1819499), (11, 1654090), (22, 827045), (55, 330818), (110, 165409), (251, 72490), (502, 36245), (659, 27610), (1255, 14498), (1318, 13805), (2510, 7249), (2761, 6590), (3295, 5522)]