18446207

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 4778113

約数列:

[1, 13, 17, 19, 23, 191, 221, 247, 299, 323, 391, 437, 2483, 3247, 3629, 4199, 4393, 5083, 5681, 7429, 42211, 47177, 57109, 61693, 74681, 83467, 96577, 802009, 970853, 1085071, 1418939, 18446207]

約数ペア:

[(1, 18446207), (13, 1418939), (17, 1085071), (19, 970853), (23, 802009), (191, 96577), (221, 83467), (247, 74681), (299, 61693), (323, 57109), (391, 47177), (437, 42211), (2483, 7429), (3247, 5681), (3629, 5083), (4199, 4393)]