19813744

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{5869}}^1$

素因数の和:6088

約数の個数: 20

約数和(自身を含む): 38577640

約数和(自身を除く): 18763896

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 5869, 11738, 23476, 46952, 93904, 1238359, 2476718, 4953436, 9906872, 19813744]

約数ペア:

[(1, 19813744), (2, 9906872), (4, 4953436), (8, 2476718), (16, 1238359), (211, 93904), (422, 46952), (844, 23476), (1688, 11738), (3376, 5869)]