18981532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10859}}^1$

素因数の和:10905

約数の個数: 24

約数和(自身を含む): 36489600

約数和(自身を除く): 17508068

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 10859, 21718, 43436, 206321, 249757, 412642, 499514, 825284, 999028, 4745383, 9490766, 18981532]

約数ペア:

[(1, 18981532), (2, 9490766), (4, 4745383), (19, 999028), (23, 825284), (38, 499514), (46, 412642), (76, 249757), (92, 206321), (437, 43436), (874, 21718), (1748, 10859)]