19810098201616

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11571319043}}^1$

素因数の和:11571319158

約数の個数: 20

約数和(自身を含む): 38740776159312

約数和(自身を除く): 18930677957696

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11571319043, 23142638086, 46285276172, 92570552344, 185141104688, 1238131137601, 2476262275202, 4952524550404, 9905049100808, 19810098201616]

約数ペア:

[(1, 19810098201616), (2, 9905049100808), (4, 4952524550404), (8, 2476262275202), (16, 1238131137601), (107, 185141104688), (214, 92570552344), (428, 46285276172), (856, 23142638086), (1712, 11571319043)]