18243398

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{907}}^1$

素因数の和:1111

約数の個数: 16

約数和(自身を含む): 27948240

約数和(自身を除く): 9704842

約数列:

[1, 2, 89, 113, 178, 226, 907, 1814, 10057, 20114, 80723, 102491, 161446, 204982, 9121699, 18243398]

約数ペア:

[(1, 18243398), (2, 9121699), (89, 204982), (113, 161446), (178, 102491), (226, 80723), (907, 20114), (1814, 10057)]