19800968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7759}}^1$

素因数の和:7805

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 22103032

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 7759, 15518, 31036, 62072, 85349, 170698, 225011, 341396, 450022, 682792, 900044, 1800088, 2475121, 4950242, 9900484, 19800968]

約数ペア:

[(1, 19800968), (2, 9900484), (4, 4950242), (8, 2475121), (11, 1800088), (22, 900044), (29, 682792), (44, 450022), (58, 341396), (88, 225011), (116, 170698), (232, 85349), (319, 62072), (638, 31036), (1276, 15518), (2552, 7759)]