19909363

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 21802176

約数和(自身を除く): 1892813

約数列:

[1, 17, 61, 73, 263, 1037, 1241, 4453, 4471, 16043, 19199, 75701, 272731, 326383, 1171139, 19909363]

約数ペア:

[(1, 19909363), (17, 1171139), (61, 326383), (73, 272731), (263, 75701), (1037, 19199), (1241, 16043), (4453, 4471)]