18506007

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^3$

素因数の和:101

約数の個数: 36

約数和(自身を含む): 30260880

約数和(自身を除く): 11754873

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 169, 207, 299, 507, 529, 897, 1521, 1587, 2691, 3887, 4761, 6877, 11661, 12167, 20631, 34983, 36501, 61893, 89401, 109503, 158171, 268203, 474513, 804609, 1423539, 2056223, 6168669, 18506007]

約数ペア:

[(1, 18506007), (3, 6168669), (9, 2056223), (13, 1423539), (23, 804609), (39, 474513), (69, 268203), (117, 158171), (169, 109503), (207, 89401), (299, 61893), (507, 36501), (529, 34983), (897, 20631), (1521, 12167), (1587, 11661), (2691, 6877), (3887, 4761)]