21618124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1361}}^1$

素因数の和:1414

約数の個数: 36

約数和(自身を含む): 43589448

約数和(自身を除く): 21971324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1361, 1444, 2722, 3971, 5444, 7942, 14971, 15884, 25859, 29942, 51718, 59884, 103436, 284449, 491321, 568898, 982642, 1137796, 1965284, 5404531, 10809062, 21618124]

約数ペア:

[(1, 21618124), (2, 10809062), (4, 5404531), (11, 1965284), (19, 1137796), (22, 982642), (38, 568898), (44, 491321), (76, 284449), (209, 103436), (361, 59884), (418, 51718), (722, 29942), (836, 25859), (1361, 15884), (1444, 14971), (2722, 7942), (3971, 5444)]