18838666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 16671734

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 821, 1043, 1639, 1642, 2086, 3278, 5747, 9031, 11473, 11494, 18062, 22946, 63217, 122329, 126434, 244658, 856303, 1345619, 1712606, 2691238, 9419333, 18838666]

約数ペア:

[(1, 18838666), (2, 9419333), (7, 2691238), (11, 1712606), (14, 1345619), (22, 856303), (77, 244658), (149, 126434), (154, 122329), (298, 63217), (821, 22946), (1043, 18062), (1639, 11494), (1642, 11473), (2086, 9031), (3278, 5747)]