18776855

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 24420480

約数和(自身を除く): 5643625

約数列:

[1, 5, 23, 31, 115, 155, 229, 529, 713, 1145, 2645, 3565, 5267, 7099, 16399, 26335, 35495, 81995, 121141, 163277, 605705, 816385, 3755371, 18776855]

約数ペア:

[(1, 18776855), (5, 3755371), (23, 816385), (31, 605705), (115, 163277), (155, 121141), (229, 81995), (529, 35495), (713, 26335), (1145, 16399), (2645, 7099), (3565, 5267)]