18915580990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1\times {\mathrm{25013}}^1$

素因数の和:26676

約数の個数: 32

約数和(自身を含む): 34795474560

約数和(自身を除く): 15879893570

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1609, 3218, 8045, 16090, 25013, 50026, 75623, 125065, 151246, 250130, 378115, 756230, 1175611, 2351222, 5878055, 11756110, 40245917, 80491834, 201229585, 402459170, 1891558099, 3783116198, 9457790495, 18915580990]

約数ペア:

[(1, 18915580990), (2, 9457790495), (5, 3783116198), (10, 1891558099), (47, 402459170), (94, 201229585), (235, 80491834), (470, 40245917), (1609, 11756110), (3218, 5878055), (8045, 2351222), (16090, 1175611), (25013, 756230), (50026, 378115), (75623, 250130), (125065, 151246)]