19957275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6823}}^1$

素因数の和:6852

約数の個数: 36

約数和(自身を含む): 38501008

約数和(自身を除く): 18543733

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6823, 20469, 34115, 61407, 88699, 102345, 170575, 266097, 307035, 443495, 511725, 798291, 1330485, 1535175, 2217475, 3991455, 6652425, 19957275]

約数ペア:

[(1, 19957275), (3, 6652425), (5, 3991455), (9, 2217475), (13, 1535175), (15, 1330485), (25, 798291), (39, 511725), (45, 443495), (65, 307035), (75, 266097), (117, 170575), (195, 102345), (225, 88699), (325, 61407), (585, 34115), (975, 20469), (2925, 6823)]