18780258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3001}}^1$

素因数の和:3162

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 24448542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3001, 3129, 6002, 6258, 9003, 18006, 21007, 42014, 63021, 126042, 447149, 894298, 1341447, 2682894, 3130043, 6260086, 9390129, 18780258]

約数ペア:

[(1, 18780258), (2, 9390129), (3, 6260086), (6, 3130043), (7, 2682894), (14, 1341447), (21, 894298), (42, 447149), (149, 126042), (298, 63021), (447, 42014), (894, 21007), (1043, 18006), (2086, 9003), (3001, 6258), (3129, 6002)]