19225808

素因数分解:

$2^4\times 7^1\times {\mathrm{171659}}^1$

素因数の和:171674

約数の個数: 20

約数和(自身を含む): 42571680

約数和(自身を除く): 23345872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171659, 343318, 686636, 1201613, 1373272, 2403226, 2746544, 4806452, 9612904, 19225808]

約数ペア:

[(1, 19225808), (2, 9612904), (4, 4806452), (7, 2746544), (8, 2403226), (14, 1373272), (16, 1201613), (28, 686636), (56, 343318), (112, 171659)]