19991430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222127}}^1$

素因数の和:222140

約数の個数: 24

約数和(自身を含む): 51977952

約数和(自身を除く): 31986522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222127, 444254, 666381, 1110635, 1332762, 1999143, 2221270, 3331905, 3998286, 6663810, 9995715, 19991430]

約数ペア:

[(1, 19991430), (2, 9995715), (3, 6663810), (5, 3998286), (6, 3331905), (9, 2221270), (10, 1999143), (15, 1332762), (18, 1110635), (30, 666381), (45, 444254), (90, 222127)]