19787992

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1151}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22789928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1151, 1228, 2149, 2302, 2456, 4298, 4604, 8057, 8596, 9208, 16114, 17192, 32228, 64456, 353357, 706714, 1413428, 2473499, 2826856, 4946998, 9893996, 19787992]

約数ペア:

[(1, 19787992), (2, 9893996), (4, 4946998), (7, 2826856), (8, 2473499), (14, 1413428), (28, 706714), (56, 353357), (307, 64456), (614, 32228), (1151, 17192), (1228, 16114), (2149, 9208), (2302, 8596), (2456, 8057), (4298, 4604)]