18473620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 42710976

約数和(自身を除く): 24237356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 641, 655, 1282, 1310, 1441, 2564, 2620, 2882, 3205, 5764, 6410, 7051, 7205, 12820, 14102, 14410, 28204, 28820, 35255, 70510, 83971, 141020, 167942, 335884, 419855, 839710, 923681, 1679420, 1847362, 3694724, 4618405, 9236810, 18473620]

約数ペア:

[(1, 18473620), (2, 9236810), (4, 4618405), (5, 3694724), (10, 1847362), (11, 1679420), (20, 923681), (22, 839710), (44, 419855), (55, 335884), (110, 167942), (131, 141020), (220, 83971), (262, 70510), (524, 35255), (641, 28820), (655, 28204), (1282, 14410), (1310, 14102), (1441, 12820), (2564, 7205), (2620, 7051), (2882, 6410), (3205, 5764)]