18891216

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{7717}}^1$

素因数の和:7748

約数の個数: 60

約数和(自身を含む): 55986372

約数和(自身を除く): 37095156

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 7717, 15434, 23151, 30868, 46302, 61736, 69453, 92604, 123472, 131189, 138906, 185208, 262378, 277812, 370416, 393567, 524756, 555624, 787134, 1049512, 1111248, 1180701, 1574268, 2099024, 2361402, 3148536, 4722804, 6297072, 9445608, 18891216]

約数ペア:

[(1, 18891216), (2, 9445608), (3, 6297072), (4, 4722804), (6, 3148536), (8, 2361402), (9, 2099024), (12, 1574268), (16, 1180701), (17, 1111248), (18, 1049512), (24, 787134), (34, 555624), (36, 524756), (48, 393567), (51, 370416), (68, 277812), (72, 262378), (102, 185208), (136, 138906), (144, 131189), (153, 123472), (204, 92604), (272, 69453), (306, 61736), (408, 46302), (612, 30868), (816, 23151), (1224, 15434), (2448, 7717)]