18814860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104527}}^1$

素因数の和:104542

約数の個数: 36

約数和(自身を含む): 57072288

約数和(自身を除く): 38257428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104527, 209054, 313581, 418108, 522635, 627162, 940743, 1045270, 1254324, 1567905, 1881486, 2090540, 3135810, 3762972, 4703715, 6271620, 9407430, 18814860]

約数ペア:

[(1, 18814860), (2, 9407430), (3, 6271620), (4, 4703715), (5, 3762972), (6, 3135810), (9, 2090540), (10, 1881486), (12, 1567905), (15, 1254324), (18, 1045270), (20, 940743), (30, 627162), (36, 522635), (45, 418108), (60, 313581), (90, 209054), (180, 104527)]