19077640

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{773}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 43049880

約数和(自身を除く): 23972240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 773, 1234, 1546, 2468, 3085, 3092, 3865, 4936, 6170, 6184, 7730, 12340, 15460, 24680, 30920, 476941, 953882, 1907764, 2384705, 3815528, 4769410, 9538820, 19077640]

約数ペア:

[(1, 19077640), (2, 9538820), (4, 4769410), (5, 3815528), (8, 2384705), (10, 1907764), (20, 953882), (40, 476941), (617, 30920), (773, 24680), (1234, 15460), (1546, 12340), (2468, 7730), (3085, 6184), (3092, 6170), (3865, 4936)]