18949612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1193}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 38212776

約数和(自身を除く): 19263164

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1193, 1444, 2386, 3971, 4772, 7942, 13123, 15884, 22667, 26246, 45334, 52492, 90668, 249337, 430673, 498674, 861346, 997348, 1722692, 4737403, 9474806, 18949612]

約数ペア:

[(1, 18949612), (2, 9474806), (4, 4737403), (11, 1722692), (19, 997348), (22, 861346), (38, 498674), (44, 430673), (76, 249337), (209, 90668), (361, 52492), (418, 45334), (722, 26246), (836, 22667), (1193, 15884), (1444, 13123), (2386, 7942), (3971, 4772)]