18823305

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12400503

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 241, 381, 615, 635, 723, 1205, 1905, 3615, 5207, 9881, 15621, 26035, 29643, 30607, 49405, 78105, 91821, 148215, 153035, 459105, 1254887, 3764661, 6274435, 18823305]

約数ペア:

[(1, 18823305), (3, 6274435), (5, 3764661), (15, 1254887), (41, 459105), (123, 153035), (127, 148215), (205, 91821), (241, 78105), (381, 49405), (615, 30607), (635, 29643), (723, 26035), (1205, 15621), (1905, 9881), (3615, 5207)]