18855264

素因数分解:

$2^5\times 3^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1207

約数の個数: 48

約数和(自身を含む): 49796208

約数和(自身を除く): 30940944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 197, 394, 591, 788, 997, 1182, 1576, 1994, 2364, 2991, 3152, 3988, 4728, 5982, 6304, 7976, 9456, 11964, 15952, 18912, 23928, 31904, 47856, 95712, 196409, 392818, 589227, 785636, 1178454, 1571272, 2356908, 3142544, 4713816, 6285088, 9427632, 18855264]

約数ペア:

[(1, 18855264), (2, 9427632), (3, 6285088), (4, 4713816), (6, 3142544), (8, 2356908), (12, 1571272), (16, 1178454), (24, 785636), (32, 589227), (48, 392818), (96, 196409), (197, 95712), (394, 47856), (591, 31904), (788, 23928), (997, 18912), (1182, 15952), (1576, 11964), (1994, 9456), (2364, 7976), (2991, 6304), (3152, 5982), (3988, 4728)]