19679924

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 38442852

約数和(自身を除く): 18762928

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 557, 803, 1114, 1606, 2228, 3212, 6127, 8833, 12254, 17666, 24508, 35332, 40661, 67397, 81322, 134794, 162644, 269588, 447271, 894542, 1789084, 4919981, 9839962, 19679924]

約数ペア:

[(1, 19679924), (2, 9839962), (4, 4919981), (11, 1789084), (22, 894542), (44, 447271), (73, 269588), (121, 162644), (146, 134794), (242, 81322), (292, 67397), (484, 40661), (557, 35332), (803, 24508), (1114, 17666), (1606, 12254), (2228, 8833), (3212, 6127)]