19604944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72077}}^1$

素因数の和:72102

約数の個数: 20

約数和(自身を含む): 40219524

約数和(自身を除く): 20614580

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72077, 144154, 288308, 576616, 1153232, 1225309, 2450618, 4901236, 9802472, 19604944]

約数ペア:

[(1, 19604944), (2, 9802472), (4, 4901236), (8, 2450618), (16, 1225309), (17, 1153232), (34, 576616), (68, 288308), (136, 144154), (272, 72077)]