19964049

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11554671

約数列:

[1, 3, 7, 21, 47, 113, 141, 179, 329, 339, 537, 791, 987, 1253, 2373, 3759, 5311, 8413, 15933, 20227, 25239, 37177, 58891, 60681, 111531, 141589, 176673, 424767, 950669, 2852007, 6654683, 19964049]

約数ペア:

[(1, 19964049), (3, 6654683), (7, 2852007), (21, 950669), (47, 424767), (113, 176673), (141, 141589), (179, 111531), (329, 60681), (339, 58891), (537, 37177), (791, 25239), (987, 20227), (1253, 15933), (2373, 8413), (3759, 5311)]