39781478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{5009}}^1$

素因数の和:5060

約数の個数: 24

約数和(自身を含む): 68717160

約数和(自身を除く): 28935682

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 5009, 7942, 10018, 55099, 95171, 110198, 190342, 1046881, 1808249, 2093762, 3616498, 19890739, 39781478]

約数ペア:

[(1, 39781478), (2, 19890739), (11, 3616498), (19, 2093762), (22, 1808249), (38, 1046881), (209, 190342), (361, 110198), (418, 95171), (722, 55099), (3971, 10018), (5009, 7942)]