19907632

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30347}}^1$

素因数の和:30396

約数の個数: 20

約数和(自身を含む): 39513096

約数和(自身を除く): 19605464

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30347, 60694, 121388, 242776, 485552, 1244227, 2488454, 4976908, 9953816, 19907632]

約数ペア:

[(1, 19907632), (2, 9953816), (4, 4976908), (8, 2488454), (16, 1244227), (41, 485552), (82, 242776), (164, 121388), (328, 60694), (656, 30347)]