19872456

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 33781944

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 53, 68, 102, 106, 136, 159, 204, 212, 318, 408, 424, 636, 901, 919, 1272, 1802, 1838, 2703, 2757, 3604, 3676, 5406, 5514, 7208, 7352, 10812, 11028, 15623, 21624, 22056, 31246, 46869, 48707, 62492, 93738, 97414, 124984, 146121, 187476, 194828, 292242, 374952, 389656, 584484, 828019, 1168968, 1656038, 2484057, 3312076, 4968114, 6624152, 9936228, 19872456]

約数ペア:

[(1, 19872456), (2, 9936228), (3, 6624152), (4, 4968114), (6, 3312076), (8, 2484057), (12, 1656038), (17, 1168968), (24, 828019), (34, 584484), (51, 389656), (53, 374952), (68, 292242), (102, 194828), (106, 187476), (136, 146121), (159, 124984), (204, 97414), (212, 93738), (318, 62492), (408, 48707), (424, 46869), (636, 31246), (901, 22056), (919, 21624), (1272, 15623), (1802, 11028), (1838, 10812), (2703, 7352), (2757, 7208), (3604, 5514), (3676, 5406)]