19891460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32083}}^1$

素因数の和:32123

約数の個数: 24

約数和(自身を含む): 43120896

約数和(自身を除く): 23229436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32083, 64166, 128332, 160415, 320830, 641660, 994573, 1989146, 3978292, 4972865, 9945730, 19891460]

約数ペア:

[(1, 19891460), (2, 9945730), (4, 4972865), (5, 3978292), (10, 1989146), (20, 994573), (31, 641660), (62, 320830), (124, 160415), (155, 128332), (310, 64166), (620, 32083)]