18393309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 30551040

約数和(自身を除く): 12157731

約数列:

[1, 3, 9, 11, 33, 47, 59, 67, 99, 141, 177, 201, 423, 517, 531, 603, 649, 737, 1551, 1947, 2211, 2773, 3149, 3953, 4653, 5841, 6633, 8319, 9447, 11859, 24957, 28341, 30503, 34639, 35577, 43483, 91509, 103917, 130449, 185791, 274527, 311751, 391347, 557373, 1672119, 2043701, 6131103, 18393309]

約数ペア:

[(1, 18393309), (3, 6131103), (9, 2043701), (11, 1672119), (33, 557373), (47, 391347), (59, 311751), (67, 274527), (99, 185791), (141, 130449), (177, 103917), (201, 91509), (423, 43483), (517, 35577), (531, 34639), (603, 30503), (649, 28341), (737, 24957), (1551, 11859), (1947, 9447), (2211, 8319), (2773, 6633), (3149, 5841), (3953, 4653)]