18639018

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1907}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 41670720

約数和(自身を除く): 23031702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 1907, 3258, 3814, 4887, 5721, 9774, 11442, 17163, 34326, 51489, 102978, 345167, 690334, 1035501, 2071002, 3106503, 6213006, 9319509, 18639018]

約数ペア:

[(1, 18639018), (2, 9319509), (3, 6213006), (6, 3106503), (9, 2071002), (18, 1035501), (27, 690334), (54, 345167), (181, 102978), (362, 51489), (543, 34326), (1086, 17163), (1629, 11442), (1907, 9774), (3258, 5721), (3814, 4887)]