19777832

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 38497800

約数和(自身を除く): 18719968

約数列:

[1, 2, 4, 8, 37, 74, 109, 148, 218, 296, 436, 613, 872, 1226, 2452, 4033, 4904, 8066, 16132, 22681, 32264, 45362, 66817, 90724, 133634, 181448, 267268, 534536, 2472229, 4944458, 9888916, 19777832]

約数ペア:

[(1, 19777832), (2, 9888916), (4, 4944458), (8, 2472229), (37, 534536), (74, 267268), (109, 181448), (148, 133634), (218, 90724), (296, 66817), (436, 45362), (613, 32264), (872, 22681), (1226, 16132), (2452, 8066), (4033, 4904)]