28891894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20549}}^1$

素因数の和:20607

約数の個数: 16

約数和(自身を含む): 46854000

約数和(自身を除く): 17962106

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 20549, 41098, 390431, 760313, 780862, 1520626, 14445947, 28891894]

約数ペア:

[(1, 28891894), (2, 14445947), (19, 1520626), (37, 780862), (38, 760313), (74, 390431), (703, 41098), (1406, 20549)]