18451138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2313

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 10337342

約数列:

[1, 2, 31, 62, 139, 278, 2141, 4282, 4309, 8618, 66371, 132742, 297599, 595198, 9225569, 18451138]

約数ペア:

[(1, 18451138), (2, 9225569), (31, 595198), (62, 297599), (139, 132742), (278, 66371), (2141, 8618), (4282, 4309)]