18009868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^2$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 34450920

約数和(自身を除く): 16441052

約数列:

[1, 2, 4, 17, 34, 59, 67, 68, 118, 134, 236, 268, 1003, 1139, 2006, 2278, 3953, 4012, 4489, 4556, 7906, 8978, 15812, 17956, 67201, 76313, 134402, 152626, 264851, 268804, 305252, 529702, 1059404, 4502467, 9004934, 18009868]

約数ペア:

[(1, 18009868), (2, 9004934), (4, 4502467), (17, 1059404), (34, 529702), (59, 305252), (67, 268804), (68, 264851), (118, 152626), (134, 134402), (236, 76313), (268, 67201), (1003, 17956), (1139, 15812), (2006, 8978), (2278, 7906), (3953, 4556), (4012, 4489)]