19118428

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4282

約数の個数: 36

約数和(自身を含む): 40621392

約数和(自身を除く): 21502964

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4241, 4508, 8482, 16964, 29687, 59374, 97543, 118748, 195086, 207809, 390172, 415618, 682801, 831236, 1365602, 2731204, 4779607, 9559214, 19118428]

約数ペア:

[(1, 19118428), (2, 9559214), (4, 4779607), (7, 2731204), (14, 1365602), (23, 831236), (28, 682801), (46, 415618), (49, 390172), (92, 207809), (98, 195086), (161, 118748), (196, 97543), (322, 59374), (644, 29687), (1127, 16964), (2254, 8482), (4241, 4508)]