2018236820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{44279}}^1$

素因数の和:44384

約数の個数: 48

約数和(自身を含む): 4418789760

約数和(自身を除く): 2400552940

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 2279, 4558, 9116, 11395, 22790, 44279, 45580, 88558, 177116, 221395, 442790, 885580, 1903997, 2346787, 3807994, 4693574, 7615988, 9387148, 9519985, 11733935, 19039970, 23467870, 38079940, 46935740, 100911841, 201823682, 403647364, 504559205, 1009118410, 2018236820]

約数ペア:

[(1, 2018236820), (2, 1009118410), (4, 504559205), (5, 403647364), (10, 201823682), (20, 100911841), (43, 46935740), (53, 38079940), (86, 23467870), (106, 19039970), (172, 11733935), (212, 9519985), (215, 9387148), (265, 7615988), (430, 4693574), (530, 3807994), (860, 2346787), (1060, 1903997), (2279, 885580), (4558, 442790), (9116, 221395), (11395, 177116), (22790, 88558), (44279, 45580)]