18292185

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 15066855

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 107, 131, 145, 261, 321, 393, 435, 535, 655, 963, 1179, 1305, 1605, 1965, 3103, 3799, 4815, 5895, 9309, 11397, 14017, 15515, 18995, 27927, 34191, 42051, 46545, 56985, 70085, 126153, 139635, 170955, 210255, 406493, 630765, 1219479, 2032465, 3658437, 6097395, 18292185]

約数ペア:

[(1, 18292185), (3, 6097395), (5, 3658437), (9, 2032465), (15, 1219479), (29, 630765), (45, 406493), (87, 210255), (107, 170955), (131, 139635), (145, 126153), (261, 70085), (321, 56985), (393, 46545), (435, 42051), (535, 34191), (655, 27927), (963, 18995), (1179, 15515), (1305, 14017), (1605, 11397), (1965, 9309), (3103, 5895), (3799, 4815)]