19895180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32089}}^1$

素因数の和:32129

約数の個数: 24

約数和(自身を含む): 43128960

約数和(自身を除く): 23233780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32089, 64178, 128356, 160445, 320890, 641780, 994759, 1989518, 3979036, 4973795, 9947590, 19895180]

約数ペア:

[(1, 19895180), (2, 9947590), (4, 4973795), (5, 3979036), (10, 1989518), (20, 994759), (31, 641780), (62, 320890), (124, 160445), (155, 128356), (310, 64178), (620, 32089)]