19854776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145991}}^1$

素因数の和:146014

約数の個数: 16

約数和(自身を含む): 39417840

約数和(自身を除く): 19563064

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145991, 291982, 583964, 1167928, 2481847, 4963694, 9927388, 19854776]

約数ペア:

[(1, 19854776), (2, 9927388), (4, 4963694), (8, 2481847), (17, 1167928), (34, 583964), (68, 291982), (136, 145991)]