17978928

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2042

約数の個数: 80

約数和(自身を含む): 53675136

約数和(自身を除く): 35696208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2003, 2244, 2992, 4006, 4488, 6009, 8012, 8976, 12018, 16024, 22033, 24036, 32048, 34051, 44066, 48072, 66099, 68102, 88132, 96144, 102153, 132198, 136204, 176264, 204306, 264396, 272408, 352528, 374561, 408612, 528792, 544816, 749122, 817224, 1057584, 1123683, 1498244, 1634448, 2247366, 2996488, 4494732, 5992976, 8989464, 17978928]

約数ペア:

[(1, 17978928), (2, 8989464), (3, 5992976), (4, 4494732), (6, 2996488), (8, 2247366), (11, 1634448), (12, 1498244), (16, 1123683), (17, 1057584), (22, 817224), (24, 749122), (33, 544816), (34, 528792), (44, 408612), (48, 374561), (51, 352528), (66, 272408), (68, 264396), (88, 204306), (102, 176264), (132, 136204), (136, 132198), (176, 102153), (187, 96144), (204, 88132), (264, 68102), (272, 66099), (374, 48072), (408, 44066), (528, 34051), (561, 32048), (748, 24036), (816, 22033), (1122, 16024), (1496, 12018), (2003, 8976), (2244, 8012), (2992, 6009), (4006, 4488)]