19683968

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2596

約数の個数: 32

約数和(自身を含む): 39872820

約数和(自身を除く): 20188852

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2521, 3904, 5042, 7808, 10084, 20168, 40336, 80672, 153781, 161344, 307562, 322688, 615124, 1230248, 2460496, 4920992, 9841984, 19683968]

約数ペア:

[(1, 19683968), (2, 9841984), (4, 4920992), (8, 2460496), (16, 1230248), (32, 615124), (61, 322688), (64, 307562), (122, 161344), (128, 153781), (244, 80672), (488, 40336), (976, 20168), (1952, 10084), (2521, 7808), (3904, 5042)]