19947044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2143}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 37820160

約数和(自身を除く): 17873116

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2143, 2327, 4286, 4654, 8572, 9308, 27859, 55718, 111436, 383597, 767194, 1534388, 4986761, 9973522, 19947044]

約数ペア:

[(1, 19947044), (2, 9973522), (4, 4986761), (13, 1534388), (26, 767194), (52, 383597), (179, 111436), (358, 55718), (716, 27859), (2143, 9308), (2327, 8572), (4286, 4654)]