19737968

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5387}}^1$

素因数の和:5624

約数の個数: 20

約数和(自身を含む): 38416440

約数和(自身を除く): 18678472

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5387, 10774, 21548, 43096, 86192, 1233623, 2467246, 4934492, 9868984, 19737968]

約数ペア:

[(1, 19737968), (2, 9868984), (4, 4934492), (8, 2467246), (16, 1233623), (229, 86192), (458, 43096), (916, 21548), (1832, 10774), (3664, 5387)]