19689724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 35834400

約数和(自身を除く): 16144676

約数列:

[1, 2, 4, 29, 58, 116, 269, 538, 631, 1076, 1262, 2524, 7801, 15602, 18299, 31204, 36598, 73196, 169739, 339478, 678956, 4922431, 9844862, 19689724]

約数ペア:

[(1, 19689724), (2, 9844862), (4, 4922431), (29, 678956), (58, 339478), (116, 169739), (269, 73196), (538, 36598), (631, 31204), (1076, 18299), (1262, 15602), (2524, 7801)]