1218198338

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4579693}}^1$

素因数の和:4579721

約数の個数: 16

約数和(自身を含む): 2198253120

約数和(自身を除く): 980054782

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 4579693, 9159386, 32057851, 64115702, 87014167, 174028334, 609099169, 1218198338]

約数ペア:

[(1, 1218198338), (2, 609099169), (7, 174028334), (14, 87014167), (19, 64115702), (38, 32057851), (133, 9159386), (266, 4579693)]