17953060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 21237980

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 269, 284, 355, 470, 538, 710, 940, 1076, 1345, 1420, 2690, 3337, 5380, 6674, 12643, 13348, 16685, 19099, 25286, 33370, 38198, 50572, 63215, 66740, 76396, 95495, 126430, 190990, 252860, 381980, 897653, 1795306, 3590612, 4488265, 8976530, 17953060]

約数ペア:

[(1, 17953060), (2, 8976530), (4, 4488265), (5, 3590612), (10, 1795306), (20, 897653), (47, 381980), (71, 252860), (94, 190990), (142, 126430), (188, 95495), (235, 76396), (269, 66740), (284, 63215), (355, 50572), (470, 38198), (538, 33370), (710, 25286), (940, 19099), (1076, 16685), (1345, 13348), (1420, 12643), (2690, 6674), (3337, 5380)]