19801914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15791}}^1$

素因数の和:15826

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 25679046

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 15791, 31582, 47373, 94746, 173701, 300029, 347402, 521103, 600058, 900087, 1042206, 1800174, 3300319, 6600638, 9900957, 19801914]

約数ペア:

[(1, 19801914), (2, 9900957), (3, 6600638), (6, 3300319), (11, 1800174), (19, 1042206), (22, 900087), (33, 600058), (38, 521103), (57, 347402), (66, 300029), (114, 173701), (209, 94746), (418, 47373), (627, 31582), (1254, 15791)]