19389818

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 15753862

約数列:

[1, 2, 7, 14, 31, 43, 62, 86, 217, 301, 434, 602, 1039, 1333, 2078, 2666, 7273, 9331, 14546, 18662, 32209, 44677, 64418, 89354, 225463, 312739, 450926, 625478, 1384987, 2769974, 9694909, 19389818]

約数ペア:

[(1, 19389818), (2, 9694909), (7, 2769974), (14, 1384987), (31, 625478), (43, 450926), (62, 312739), (86, 225463), (217, 89354), (301, 64418), (434, 44677), (602, 32209), (1039, 18662), (1333, 14546), (2078, 9331), (2666, 7273)]