19869488

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23431}}^1$

素因数の和:23492

約数の個数: 20

約数和(自身を含む): 39225168

約数和(自身を除く): 19355680

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23431, 46862, 93724, 187448, 374896, 1241843, 2483686, 4967372, 9934744, 19869488]

約数ペア:

[(1, 19869488), (2, 9934744), (4, 4967372), (8, 2483686), (16, 1241843), (53, 374896), (106, 187448), (212, 93724), (424, 46862), (848, 23431)]