2009131878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1\times {\mathrm{13841}}^1$

素因数の和:15720

約数の個数: 32

約数和(自身を含む): 4329999072

約数和(自身を除く): 2320867194

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1861, 3722, 5583, 11166, 13841, 24193, 27682, 41523, 48386, 72579, 83046, 145158, 179933, 359866, 539799, 1079598, 25758101, 51516202, 77274303, 154548606, 334855313, 669710626, 1004565939, 2009131878]

約数ペア:

[(1, 2009131878), (2, 1004565939), (3, 669710626), (6, 334855313), (13, 154548606), (26, 77274303), (39, 51516202), (78, 25758101), (1861, 1079598), (3722, 539799), (5583, 359866), (11166, 179933), (13841, 145158), (24193, 83046), (27682, 72579), (41523, 48386)]