19935152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73291}}^1$

素因数の和:73316

約数の個数: 20

約数和(自身を含む): 40896936

約数和(自身を除く): 20961784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73291, 146582, 293164, 586328, 1172656, 1245947, 2491894, 4983788, 9967576, 19935152]

約数ペア:

[(1, 19935152), (2, 9967576), (4, 4983788), (8, 2491894), (16, 1245947), (17, 1172656), (34, 586328), (68, 293164), (136, 146582), (272, 73291)]