219680812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{222349}}^1$

素因数の和:222385

約数の個数: 24

約数和(自身を含む): 435806000

約数和(自身を除く): 216125188

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 222349, 444698, 889396, 2890537, 4224631, 5781074, 8449262, 11562148, 16898524, 54920203, 109840406, 219680812]

約数ペア:

[(1, 219680812), (2, 109840406), (4, 54920203), (13, 16898524), (19, 11562148), (26, 8449262), (38, 5781074), (52, 4224631), (76, 2890537), (247, 889396), (494, 444698), (988, 222349)]