19867696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73043}}^1$

素因数の和:73068

約数の個数: 20

約数和(自身を含む): 40758552

約数和(自身を除く): 20890856

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73043, 146086, 292172, 584344, 1168688, 1241731, 2483462, 4966924, 9933848, 19867696]

約数ペア:

[(1, 19867696), (2, 9933848), (4, 4966924), (8, 2483462), (16, 1241731), (17, 1168688), (34, 584344), (68, 292172), (136, 146086), (272, 73043)]