19498490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10427}}^1$

素因数の和:10462

約数の個数: 32

約数和(自身を含む): 40544064

約数和(自身を除く): 21045574

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10427, 20854, 52135, 104270, 114697, 177259, 229394, 354518, 573485, 886295, 1146970, 1772590, 1949849, 3899698, 9749245, 19498490]

約数ペア:

[(1, 19498490), (2, 9749245), (5, 3899698), (10, 1949849), (11, 1772590), (17, 1146970), (22, 886295), (34, 573485), (55, 354518), (85, 229394), (110, 177259), (170, 114697), (187, 104270), (374, 52135), (935, 20854), (1870, 10427)]