19539280

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{523}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 45613152

約数和(自身を除く): 26073872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 523, 934, 1046, 1868, 2092, 2335, 2615, 3736, 4184, 4670, 5230, 7472, 8368, 9340, 10460, 18680, 20920, 37360, 41840, 244241, 488482, 976964, 1221205, 1953928, 2442410, 3907856, 4884820, 9769640, 19539280]

約数ペア:

[(1, 19539280), (2, 9769640), (4, 4884820), (5, 3907856), (8, 2442410), (10, 1953928), (16, 1221205), (20, 976964), (40, 488482), (80, 244241), (467, 41840), (523, 37360), (934, 20920), (1046, 18680), (1868, 10460), (2092, 9340), (2335, 8368), (2615, 7472), (3736, 5230), (4184, 4670)]