19117215

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3631}}^1$

素因数の和:3661

約数の個数: 40

約数和(自身を含む): 36915648

約数和(自身を除く): 17798433

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3631, 5265, 10893, 18155, 32679, 47203, 54465, 98037, 141609, 163395, 236015, 294111, 424827, 490185, 708045, 1274481, 1470555, 2124135, 3823443, 6372405, 19117215]

約数ペア:

[(1, 19117215), (3, 6372405), (5, 3823443), (9, 2124135), (13, 1470555), (15, 1274481), (27, 708045), (39, 490185), (45, 424827), (65, 294111), (81, 236015), (117, 163395), (135, 141609), (195, 98037), (351, 54465), (405, 47203), (585, 32679), (1053, 18155), (1755, 10893), (3631, 5265)]