19907816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146381}}^1$

素因数の和:146404

約数の個数: 16

約数和(自身を含む): 39523140

約数和(自身を除く): 19615324

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146381, 292762, 585524, 1171048, 2488477, 4976954, 9953908, 19907816]

約数ペア:

[(1, 19907816), (2, 9953908), (4, 4976954), (8, 2488477), (17, 1171048), (34, 585524), (68, 292762), (136, 146381)]