18443961

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 27474720

約数和(自身を除く): 9030759

約数列:

[1, 3, 9, 67, 73, 201, 219, 419, 603, 657, 1257, 3771, 4891, 14673, 28073, 30587, 44019, 84219, 91761, 252657, 275283, 2049329, 6147987, 18443961]

約数ペア:

[(1, 18443961), (3, 6147987), (9, 2049329), (67, 275283), (73, 252657), (201, 91761), (219, 84219), (419, 44019), (603, 30587), (657, 28073), (1257, 14673), (3771, 4891)]