19438045

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 27363420

約数和(自身を除く): 7925375

約数列:

[1, 5, 11, 19, 55, 89, 95, 121, 209, 361, 445, 605, 979, 1045, 1691, 1805, 2299, 3971, 4895, 8455, 10769, 11495, 18601, 19855, 32129, 43681, 53845, 93005, 160645, 204611, 218405, 353419, 1023055, 1767095, 3887609, 19438045]

約数ペア:

[(1, 19438045), (5, 3887609), (11, 1767095), (19, 1023055), (55, 353419), (89, 218405), (95, 204611), (121, 160645), (209, 93005), (361, 53845), (445, 43681), (605, 32129), (979, 19855), (1045, 18601), (1691, 11495), (1805, 10769), (2299, 8455), (3971, 4895)]