19161810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{212909}}^1$

素因数の和:212922

約数の個数: 24

約数和(自身を含む): 49820940

約数和(自身を除く): 30659130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 212909, 425818, 638727, 1064545, 1277454, 1916181, 2129090, 3193635, 3832362, 6387270, 9580905, 19161810]

約数ペア:

[(1, 19161810), (2, 9580905), (3, 6387270), (5, 3832362), (6, 3193635), (9, 2129090), (10, 1916181), (15, 1277454), (18, 1064545), (30, 638727), (45, 425818), (90, 212909)]