19306815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6883}}^1$

素因数の和:6919

約数の個数: 32

約数和(自身を含む): 35686656

約数和(自身を除く): 16379841

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6883, 20649, 34415, 75713, 103245, 117011, 227139, 351033, 378565, 585055, 1135695, 1287121, 1755165, 3861363, 6435605, 19306815]

約数ペア:

[(1, 19306815), (3, 6435605), (5, 3861363), (11, 1755165), (15, 1287121), (17, 1135695), (33, 585055), (51, 378565), (55, 351033), (85, 227139), (165, 117011), (187, 103245), (255, 75713), (561, 34415), (935, 20649), (2805, 6883)]