19371639

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11271561

約数列:

[1, 3, 7, 21, 41, 123, 149, 151, 287, 447, 453, 861, 1043, 1057, 3129, 3171, 6109, 6191, 18327, 18573, 22499, 42763, 43337, 67497, 128289, 130011, 157493, 472479, 922459, 2767377, 6457213, 19371639]

約数ペア:

[(1, 19371639), (3, 6457213), (7, 2767377), (21, 922459), (41, 472479), (123, 157493), (149, 130011), (151, 128289), (287, 67497), (447, 43337), (453, 42763), (861, 22499), (1043, 18573), (1057, 18327), (3129, 6191), (3171, 6109)]