18388815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 32011200

約数和(自身を除く): 13622385

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 1949, 3145, 5847, 9435, 9745, 29235, 33133, 72113, 99399, 165665, 216339, 360565, 496995, 1081695, 1225921, 3677763, 6129605, 18388815]

約数ペア:

[(1, 18388815), (3, 6129605), (5, 3677763), (15, 1225921), (17, 1081695), (37, 496995), (51, 360565), (85, 216339), (111, 165665), (185, 99399), (255, 72113), (555, 33133), (629, 29235), (1887, 9745), (1949, 9435), (3145, 5847)]