18771207

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2371}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 31879680

約数和(自身を除く): 13108473

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2371, 2639, 7113, 7917, 16597, 30823, 49791, 68759, 92469, 206277, 215761, 481313, 647283, 893867, 1443939, 2681601, 6257069, 18771207]

約数ペア:

[(1, 18771207), (3, 6257069), (7, 2681601), (13, 1443939), (21, 893867), (29, 647283), (39, 481313), (87, 215761), (91, 206277), (203, 92469), (273, 68759), (377, 49791), (609, 30823), (1131, 16597), (2371, 7917), (2639, 7113)]