18704290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7393}}^1$

素因数の和:7434

約数の個数: 32

約数和(自身を含む): 38330496

約数和(自身を除く): 19626206

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7393, 14786, 36965, 73930, 81323, 162646, 170039, 340078, 406615, 813230, 850195, 1700390, 1870429, 3740858, 9352145, 18704290]

約数ペア:

[(1, 18704290), (2, 9352145), (5, 3740858), (10, 1870429), (11, 1700390), (22, 850195), (23, 813230), (46, 406615), (55, 340078), (110, 170039), (115, 162646), (230, 81323), (253, 73930), (506, 36965), (1265, 14786), (2530, 7393)]