17998420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3557}}^1$

素因数の和:3600

約数の個数: 48

約数和(自身を含む): 43037568

約数和(自身を除く): 25039148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3557, 5060, 7114, 14228, 17785, 35570, 39127, 71140, 78254, 81811, 156508, 163622, 195635, 327244, 391270, 409055, 782540, 818110, 899921, 1636220, 1799842, 3599684, 4499605, 8999210, 17998420]

約数ペア:

[(1, 17998420), (2, 8999210), (4, 4499605), (5, 3599684), (10, 1799842), (11, 1636220), (20, 899921), (22, 818110), (23, 782540), (44, 409055), (46, 391270), (55, 327244), (92, 195635), (110, 163622), (115, 156508), (220, 81811), (230, 78254), (253, 71140), (460, 39127), (506, 35570), (1012, 17785), (1265, 14228), (2530, 7114), (3557, 5060)]