19379969290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{420481}}^1$

素因数の和:420918

約数の個数: 32

約数和(自身を含む): 38146127040

約数和(自身を除く): 18766157750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 838, 2095, 4190, 4609, 9218, 23045, 46090, 420481, 840962, 2102405, 4204810, 4625291, 9250582, 23126455, 46252910, 176181539, 352363078, 880907695, 1761815390, 1937996929, 3875993858, 9689984645, 19379969290]

約数ペア:

[(1, 19379969290), (2, 9689984645), (5, 3875993858), (10, 1937996929), (11, 1761815390), (22, 880907695), (55, 352363078), (110, 176181539), (419, 46252910), (838, 23126455), (2095, 9250582), (4190, 4625291), (4609, 4204810), (9218, 2102405), (23045, 840962), (46090, 420481)]