18728514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{148639}}^1$

素因数の和:148654

約数の個数: 24

約数和(自身を含む): 46375680

約数和(自身を除く): 27647166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 148639, 297278, 445917, 891834, 1040473, 1337751, 2080946, 2675502, 3121419, 6242838, 9364257, 18728514]

約数ペア:

[(1, 18728514), (2, 9364257), (3, 6242838), (6, 3121419), (7, 2675502), (9, 2080946), (14, 1337751), (18, 1040473), (21, 891834), (42, 445917), (63, 297278), (126, 148639)]