19452018

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 39960000

約数和(自身を除く): 20507982

約数列:

[1, 2, 3, 6, 73, 89, 146, 178, 219, 267, 438, 499, 534, 998, 1497, 2994, 6497, 12994, 19491, 36427, 38982, 44411, 72854, 88822, 109281, 133233, 218562, 266466, 3242003, 6484006, 9726009, 19452018]

約数ペア:

[(1, 19452018), (2, 9726009), (3, 6484006), (6, 3242003), (73, 266466), (89, 218562), (146, 133233), (178, 109281), (219, 88822), (267, 72854), (438, 44411), (499, 38982), (534, 36427), (998, 19491), (1497, 12994), (2994, 6497)]