19943856

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8147}}^1$

素因数の和:8178

約数の個数: 60

約数和(自身を含む): 59105592

約数和(自身を除く): 39161736

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, 8147, 16294, 24441, 32588, 48882, 65176, 73323, 97764, 130352, 138499, 146646, 195528, 276998, 293292, 391056, 415497, 553996, 586584, 830994, 1107992, 1173168, 1246491, 1661988, 2215984, 2492982, 3323976, 4985964, 6647952, 9971928, 19943856]

約数ペア:

[(1, 19943856), (2, 9971928), (3, 6647952), (4, 4985964), (6, 3323976), (8, 2492982), (9, 2215984), (12, 1661988), (16, 1246491), (17, 1173168), (18, 1107992), (24, 830994), (34, 586584), (36, 553996), (48, 415497), (51, 391056), (68, 293292), (72, 276998), (102, 195528), (136, 146646), (144, 138499), (153, 130352), (204, 97764), (272, 73323), (306, 65176), (408, 48882), (612, 32588), (816, 24441), (1224, 16294), (2448, 8147)]