19777043

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5624557

約数列:

[1, 11, 13, 19, 29, 143, 209, 247, 251, 319, 377, 551, 2717, 2761, 3263, 4147, 4769, 6061, 7163, 7279, 35893, 52459, 61997, 78793, 80069, 94627, 138301, 681967, 1040897, 1521311, 1797913, 19777043]

約数ペア:

[(1, 19777043), (11, 1797913), (13, 1521311), (19, 1040897), (29, 681967), (143, 138301), (209, 94627), (247, 80069), (251, 78793), (319, 61997), (377, 52459), (551, 35893), (2717, 7279), (2761, 7163), (3263, 6061), (4147, 4769)]