19709222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 35174832

約数和(自身を除く): 15465610

約数列:

[1, 2, 13, 17, 26, 34, 43, 61, 86, 122, 221, 289, 442, 559, 578, 731, 793, 1037, 1118, 1462, 1586, 2074, 2623, 3757, 5246, 7514, 9503, 12427, 13481, 17629, 19006, 24854, 26962, 34099, 35258, 44591, 68198, 89182, 161551, 229177, 323102, 458354, 579683, 758047, 1159366, 1516094, 9854611, 19709222]

約数ペア:

[(1, 19709222), (2, 9854611), (13, 1516094), (17, 1159366), (26, 758047), (34, 579683), (43, 458354), (61, 323102), (86, 229177), (122, 161551), (221, 89182), (289, 68198), (442, 44591), (559, 35258), (578, 34099), (731, 26962), (793, 24854), (1037, 19006), (1118, 17629), (1462, 13481), (1586, 12427), (2074, 9503), (2623, 7514), (3757, 5246)]