19902618

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5501}}^1$

素因数の和:5579

約数の個数: 32

約数和(自身を含む): 44896320

約数和(自身を除く): 24993702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5501, 11002, 16503, 33006, 49509, 99018, 148527, 297054, 368567, 737134, 1105701, 2211402, 3317103, 6634206, 9951309, 19902618]

約数ペア:

[(1, 19902618), (2, 9951309), (3, 6634206), (6, 3317103), (9, 2211402), (18, 1105701), (27, 737134), (54, 368567), (67, 297054), (134, 148527), (201, 99018), (402, 49509), (603, 33006), (1206, 16503), (1809, 11002), (3618, 5501)]