19738864

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5119}}^1$

素因数の和:5368

約数の個数: 20

約数和(自身を含む): 38410240

約数和(自身を除く): 18671376

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5119, 10238, 20476, 40952, 81904, 1233679, 2467358, 4934716, 9869432, 19738864]

約数ペア:

[(1, 19738864), (2, 9869432), (4, 4934716), (8, 2467358), (16, 1233679), (241, 81904), (482, 40952), (964, 20476), (1928, 10238), (3856, 5119)]