18668516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 34750296

約数和(自身を除く): 16081780

約数列:

[1, 2, 4, 17, 34, 68, 281, 562, 977, 1124, 1954, 3908, 4777, 9554, 16609, 19108, 33218, 66436, 274537, 549074, 1098148, 4667129, 9334258, 18668516]

約数ペア:

[(1, 18668516), (2, 9334258), (4, 4667129), (17, 1098148), (34, 549074), (68, 274537), (281, 66436), (562, 33218), (977, 19108), (1124, 16609), (1954, 9554), (3908, 4777)]