18105945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 35610624

約数和(自身を除く): 17504679

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 299, 345, 367, 429, 715, 759, 897, 1101, 1265, 1495, 1835, 2145, 3289, 3795, 4037, 4485, 4771, 5505, 8441, 9867, 12111, 14313, 16445, 20185, 23855, 25323, 42205, 49335, 52481, 60555, 71565, 92851, 109733, 126615, 157443, 262405, 278553, 329199, 464255, 548665, 787215, 1207063, 1392765, 1645995, 3621189, 6035315, 18105945]

約数ペア:

[(1, 18105945), (3, 6035315), (5, 3621189), (11, 1645995), (13, 1392765), (15, 1207063), (23, 787215), (33, 548665), (39, 464255), (55, 329199), (65, 278553), (69, 262405), (115, 157443), (143, 126615), (165, 109733), (195, 92851), (253, 71565), (299, 60555), (345, 52481), (367, 49335), (429, 42205), (715, 25323), (759, 23855), (897, 20185), (1101, 16445), (1265, 14313), (1495, 12111), (1835, 9867), (2145, 8441), (3289, 5505), (3795, 4771), (4037, 4485)]