19970975042

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{489941}}^1$

素因数の和:490261

約数の個数: 16

約数和(自身を含む): 30425398200

約数和(自身を除く): 10454423158

約数列:

[1, 2, 89, 178, 229, 458, 20381, 40762, 489941, 979882, 43604749, 87209498, 112196489, 224392978, 9985487521, 19970975042]

約数ペア:

[(1, 19970975042), (2, 9985487521), (89, 224392978), (178, 112196489), (229, 87209498), (458, 43604749), (20381, 979882), (40762, 489941)]