18702033

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10865967

約数列:

[1, 3, 7, 21, 43, 129, 139, 149, 301, 417, 447, 903, 973, 1043, 2919, 3129, 5977, 6407, 17931, 19221, 20711, 41839, 44849, 62133, 125517, 134547, 144977, 434931, 890573, 2671719, 6234011, 18702033]

約数ペア:

[(1, 18702033), (3, 6234011), (7, 2671719), (21, 890573), (43, 434931), (129, 144977), (139, 134547), (149, 125517), (301, 62133), (417, 44849), (447, 41839), (903, 20711), (973, 19221), (1043, 17931), (2919, 6407), (3129, 5977)]