31131918

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1597}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 73060560

約数和(自身を除く): 41928642

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1083, 1597, 2166, 3194, 3249, 4791, 6498, 9582, 9747, 14373, 19494, 28746, 30343, 43119, 60686, 86238, 91029, 182058, 273087, 546174, 576517, 819261, 1153034, 1638522, 1729551, 3459102, 5188653, 10377306, 15565959, 31131918]

約数ペア:

[(1, 31131918), (2, 15565959), (3, 10377306), (6, 5188653), (9, 3459102), (18, 1729551), (19, 1638522), (27, 1153034), (38, 819261), (54, 576517), (57, 546174), (114, 273087), (171, 182058), (342, 91029), (361, 86238), (513, 60686), (722, 43119), (1026, 30343), (1083, 28746), (1597, 19494), (2166, 14373), (3194, 9747), (3249, 9582), (4791, 6498)]