18727995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8731}}^1$

素因数の和:8763

約数の個数: 32

約数和(自身を含む): 35207424

約数和(自身を除く): 16479429

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 8731, 26193, 43655, 96041, 113503, 130965, 288123, 340509, 480205, 567515, 1248533, 1440615, 1702545, 3745599, 6242665, 18727995]

約数ペア:

[(1, 18727995), (3, 6242665), (5, 3745599), (11, 1702545), (13, 1440615), (15, 1248533), (33, 567515), (39, 480205), (55, 340509), (65, 288123), (143, 130965), (165, 113503), (195, 96041), (429, 43655), (715, 26193), (2145, 8731)]