18996864

素因数分解:

$2^7\times 3^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 51350880

約数和(自身を除く): 32354016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 366, 384, 488, 732, 811, 976, 1464, 1622, 1952, 2433, 2928, 3244, 3904, 4866, 5856, 6488, 7808, 9732, 11712, 12976, 19464, 23424, 25952, 38928, 49471, 51904, 77856, 98942, 103808, 148413, 155712, 197884, 296826, 311424, 395768, 593652, 791536, 1187304, 1583072, 2374608, 3166144, 4749216, 6332288, 9498432, 18996864]

約数ペア:

[(1, 18996864), (2, 9498432), (3, 6332288), (4, 4749216), (6, 3166144), (8, 2374608), (12, 1583072), (16, 1187304), (24, 791536), (32, 593652), (48, 395768), (61, 311424), (64, 296826), (96, 197884), (122, 155712), (128, 148413), (183, 103808), (192, 98942), (244, 77856), (366, 51904), (384, 49471), (488, 38928), (732, 25952), (811, 23424), (976, 19464), (1464, 12976), (1622, 11712), (1952, 9732), (2433, 7808), (2928, 6488), (3244, 5856), (3904, 4866)]