18638418

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 39232512

約数和(自身を除く): 20594094

約数列:

[1, 2, 3, 6, 23, 46, 69, 131, 138, 262, 393, 786, 1031, 2062, 3013, 3093, 6026, 6186, 9039, 18078, 23713, 47426, 71139, 135061, 142278, 270122, 405183, 810366, 3106403, 6212806, 9319209, 18638418]

約数ペア:

[(1, 18638418), (2, 9319209), (3, 6212806), (6, 3106403), (23, 810366), (46, 405183), (69, 270122), (131, 142278), (138, 135061), (262, 71139), (393, 47426), (786, 23713), (1031, 18078), (2062, 9039), (3013, 6186), (3093, 6026)]