18659060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133279}}^1$

素因数の和:133295

約数の個数: 24

約数和(自身を含む): 44782080

約数和(自身を除く): 26123020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133279, 266558, 533116, 666395, 932953, 1332790, 1865906, 2665580, 3731812, 4664765, 9329530, 18659060]

約数ペア:

[(1, 18659060), (2, 9329530), (4, 4664765), (5, 3731812), (7, 2665580), (10, 1865906), (14, 1332790), (20, 932953), (28, 666395), (35, 533116), (70, 266558), (140, 133279)]