18531758

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 14127442

約数列:

[1, 2, 7, 14, 89, 107, 139, 178, 214, 278, 623, 749, 973, 1246, 1498, 1946, 9523, 12371, 14873, 19046, 24742, 29746, 66661, 86597, 104111, 133322, 173194, 208222, 1323697, 2647394, 9265879, 18531758]

約数ペア:

[(1, 18531758), (2, 9265879), (7, 2647394), (14, 1323697), (89, 208222), (107, 173194), (139, 133322), (178, 104111), (214, 86597), (278, 66661), (623, 29746), (749, 24742), (973, 19046), (1246, 14873), (1498, 12371), (1946, 9523)]