2019495980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{375371}}^1$

素因数の和:375649

約数の個数: 24

約数和(自身を含む): 4256718480

約数和(自身を除く): 2237222500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 375371, 750742, 1501484, 1876855, 3753710, 7507420, 100974799, 201949598, 403899196, 504873995, 1009747990, 2019495980]

約数ペア:

[(1, 2019495980), (2, 1009747990), (4, 504873995), (5, 403899196), (10, 201949598), (20, 100974799), (269, 7507420), (538, 3753710), (1076, 1876855), (1345, 1501484), (2690, 750742), (5380, 375371)]