18415120

素因数分解:

$2^4\times 5^1\times {\mathrm{230189}}^1$

素因数の和:230202

約数の個数: 20

約数和(自身を含む): 42815340

約数和(自身を除く): 24400220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230189, 460378, 920756, 1150945, 1841512, 2301890, 3683024, 4603780, 9207560, 18415120]

約数ペア:

[(1, 18415120), (2, 9207560), (4, 4603780), (5, 3683024), (8, 2301890), (10, 1841512), (16, 1150945), (20, 920756), (40, 460378), (80, 230189)]