31619420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11887}}^1$

素因数の和:11922

約数の個数: 48

約数和(自身を含む): 79887360

約数和(自身を除く): 48267940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11887, 23774, 47548, 59435, 83209, 118870, 166418, 225853, 237740, 332836, 416045, 451706, 832090, 903412, 1129265, 1580971, 1664180, 2258530, 3161942, 4517060, 6323884, 7904855, 15809710, 31619420]

約数ペア:

[(1, 31619420), (2, 15809710), (4, 7904855), (5, 6323884), (7, 4517060), (10, 3161942), (14, 2258530), (19, 1664180), (20, 1580971), (28, 1129265), (35, 903412), (38, 832090), (70, 451706), (76, 416045), (95, 332836), (133, 237740), (140, 225853), (190, 166418), (266, 118870), (380, 83209), (532, 59435), (665, 47548), (1330, 23774), (2660, 11887)]