18392780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 44728320

約数和(自身を除く): 26335540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1663, 2212, 2765, 3326, 5530, 6652, 8315, 11060, 11641, 16630, 23282, 33260, 46564, 58205, 116410, 131377, 232820, 262754, 525508, 656885, 919639, 1313770, 1839278, 2627540, 3678556, 4598195, 9196390, 18392780]

約数ペア:

[(1, 18392780), (2, 9196390), (4, 4598195), (5, 3678556), (7, 2627540), (10, 1839278), (14, 1313770), (20, 919639), (28, 656885), (35, 525508), (70, 262754), (79, 232820), (140, 131377), (158, 116410), (316, 58205), (395, 46564), (553, 33260), (790, 23282), (1106, 16630), (1580, 11641), (1663, 11060), (2212, 8315), (2765, 6652), (3326, 5530)]