18119538

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 42509376

約数和(自身を除く): 24389838

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1621, 1863, 3242, 3726, 4863, 5589, 9726, 11178, 14589, 29178, 37283, 43767, 74566, 87534, 111849, 131301, 223698, 262602, 335547, 393903, 671094, 787806, 1006641, 2013282, 3019923, 6039846, 9059769, 18119538]

約数ペア:

[(1, 18119538), (2, 9059769), (3, 6039846), (6, 3019923), (9, 2013282), (18, 1006641), (23, 787806), (27, 671094), (46, 393903), (54, 335547), (69, 262602), (81, 223698), (138, 131301), (162, 111849), (207, 87534), (243, 74566), (414, 43767), (486, 37283), (621, 29178), (1242, 14589), (1621, 11178), (1863, 9726), (3242, 5589), (3726, 4863)]