19886340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{769}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 35997180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 769, 862, 1293, 1538, 1724, 2155, 2307, 2586, 3076, 3845, 4310, 4614, 5172, 6465, 7690, 8620, 9228, 11535, 12930, 15380, 23070, 25860, 46140, 331439, 662878, 994317, 1325756, 1657195, 1988634, 3314390, 3977268, 4971585, 6628780, 9943170, 19886340]

約数ペア:

[(1, 19886340), (2, 9943170), (3, 6628780), (4, 4971585), (5, 3977268), (6, 3314390), (10, 1988634), (12, 1657195), (15, 1325756), (20, 994317), (30, 662878), (60, 331439), (431, 46140), (769, 25860), (862, 23070), (1293, 15380), (1538, 12930), (1724, 11535), (2155, 9228), (2307, 8620), (2586, 7690), (3076, 6465), (3845, 5172), (4310, 4614)]