18697160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20323}}^1$

素因数の和:20357

約数の個数: 32

約数和(自身を含む): 43899840

約数和(自身を除く): 25202680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20323, 40646, 81292, 101615, 162584, 203230, 406460, 467429, 812920, 934858, 1869716, 2337145, 3739432, 4674290, 9348580, 18697160]

約数ペア:

[(1, 18697160), (2, 9348580), (4, 4674290), (5, 3739432), (8, 2337145), (10, 1869716), (20, 934858), (23, 812920), (40, 467429), (46, 406460), (92, 203230), (115, 162584), (184, 101615), (230, 81292), (460, 40646), (920, 20323)]