19143355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2659

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 11016005

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2617, 7315, 13085, 18319, 28787, 49723, 91595, 143935, 201509, 248615, 348061, 546953, 1007545, 1740305, 2734765, 3828671, 19143355]

約数ペア:

[(1, 19143355), (5, 3828671), (7, 2734765), (11, 1740305), (19, 1007545), (35, 546953), (55, 348061), (77, 248615), (95, 201509), (133, 143935), (209, 91595), (385, 49723), (665, 28787), (1045, 18319), (1463, 13085), (2617, 7315)]