18045915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 13680165

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2753, 6555, 8259, 13765, 41295, 52307, 63319, 156921, 189957, 261535, 316595, 784605, 949785, 1203061, 3609183, 6015305, 18045915]

約数ペア:

[(1, 18045915), (3, 6015305), (5, 3609183), (15, 1203061), (19, 949785), (23, 784605), (57, 316595), (69, 261535), (95, 189957), (115, 156921), (285, 63319), (345, 52307), (437, 41295), (1311, 13765), (2185, 8259), (2753, 6555)]