19381590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{215351}}^1$

素因数の和:215364

約数の個数: 24

約数和(自身を含む): 50392368

約数和(自身を除く): 31010778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 215351, 430702, 646053, 1076755, 1292106, 1938159, 2153510, 3230265, 3876318, 6460530, 9690795, 19381590]

約数ペア:

[(1, 19381590), (2, 9690795), (3, 6460530), (5, 3876318), (6, 3230265), (9, 2153510), (10, 1938159), (15, 1292106), (18, 1076755), (30, 646053), (45, 430702), (90, 215351)]