18921266

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103963}}^1$

素因数の和:103985

約数の個数: 16

約数和(自身を含む): 34931904

約数和(自身を除く): 16010638

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 103963, 207926, 727741, 1351519, 1455482, 2703038, 9460633, 18921266]

約数ペア:

[(1, 18921266), (2, 9460633), (7, 2703038), (13, 1455482), (14, 1351519), (26, 727741), (91, 207926), (182, 103963)]