19001151

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{307}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 30998968

約数和(自身を除く): 11997817

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 307, 529, 897, 921, 1587, 2691, 2763, 3991, 4761, 6877, 7061, 11973, 20631, 21183, 35919, 61893, 63549, 91793, 162403, 275379, 487209, 826137, 1461627, 2111239, 6333717, 19001151]

約数ペア:

[(1, 19001151), (3, 6333717), (9, 2111239), (13, 1461627), (23, 826137), (39, 487209), (69, 275379), (117, 162403), (207, 91793), (299, 63549), (307, 61893), (529, 35919), (897, 21183), (921, 20631), (1587, 11973), (2691, 7061), (2763, 6877), (3991, 4761)]