18344790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 47921328

約数和(自身を除く): 29576538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 643, 951, 1286, 1585, 1902, 1929, 2853, 3170, 3215, 3858, 4755, 5706, 5787, 6430, 9510, 9645, 11574, 14265, 19290, 28530, 28935, 57870, 203831, 407662, 611493, 1019155, 1222986, 1834479, 2038310, 3057465, 3668958, 6114930, 9172395, 18344790]

約数ペア:

[(1, 18344790), (2, 9172395), (3, 6114930), (5, 3668958), (6, 3057465), (9, 2038310), (10, 1834479), (15, 1222986), (18, 1019155), (30, 611493), (45, 407662), (90, 203831), (317, 57870), (634, 28935), (643, 28530), (951, 19290), (1286, 14265), (1585, 11574), (1902, 9645), (1929, 9510), (2853, 6430), (3170, 5787), (3215, 5706), (3858, 4755)]