17942868

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 47375328

約数和(自身を除く): 29432460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 173, 201, 258, 268, 346, 387, 402, 516, 519, 603, 692, 774, 804, 1038, 1206, 1548, 1557, 2076, 2412, 2881, 3114, 5762, 6228, 7439, 8643, 11524, 11591, 14878, 17286, 22317, 23182, 25929, 29756, 34572, 34773, 44634, 46364, 51858, 66951, 69546, 89268, 103716, 104319, 133902, 139092, 208638, 267804, 417276, 498413, 996826, 1495239, 1993652, 2990478, 4485717, 5980956, 8971434, 17942868]

約数ペア:

[(1, 17942868), (2, 8971434), (3, 5980956), (4, 4485717), (6, 2990478), (9, 1993652), (12, 1495239), (18, 996826), (36, 498413), (43, 417276), (67, 267804), (86, 208638), (129, 139092), (134, 133902), (172, 104319), (173, 103716), (201, 89268), (258, 69546), (268, 66951), (346, 51858), (387, 46364), (402, 44634), (516, 34773), (519, 34572), (603, 29756), (692, 25929), (774, 23182), (804, 22317), (1038, 17286), (1206, 14878), (1548, 11591), (1557, 11524), (2076, 8643), (2412, 7439), (2881, 6228), (3114, 5762)]