19482760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44279}}^1$

素因数の和:44301

約数の個数: 32

約数和(自身を含む): 47822400

約数和(自身を除く): 28339640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44279, 88558, 177116, 221395, 354232, 442790, 487069, 885580, 974138, 1771160, 1948276, 2435345, 3896552, 4870690, 9741380, 19482760]

約数ペア:

[(1, 19482760), (2, 9741380), (4, 4870690), (5, 3896552), (8, 2435345), (10, 1948276), (11, 1771160), (20, 974138), (22, 885580), (40, 487069), (44, 442790), (55, 354232), (88, 221395), (110, 177116), (220, 88558), (440, 44279)]