19614452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 21536140

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 212, 286, 572, 583, 647, 689, 1166, 1294, 1378, 2332, 2588, 2756, 7117, 7579, 8411, 14234, 15158, 16822, 28468, 30316, 33644, 34291, 68582, 92521, 137164, 185042, 370084, 377201, 445783, 754402, 891566, 1508804, 1783132, 4903613, 9807226, 19614452]

約数ペア:

[(1, 19614452), (2, 9807226), (4, 4903613), (11, 1783132), (13, 1508804), (22, 891566), (26, 754402), (44, 445783), (52, 377201), (53, 370084), (106, 185042), (143, 137164), (212, 92521), (286, 68582), (572, 34291), (583, 33644), (647, 30316), (689, 28468), (1166, 16822), (1294, 15158), (1378, 14234), (2332, 8411), (2588, 7579), (2756, 7117)]