19508814

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 45837792

約数和(自身を除く): 26328978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 263, 317, 526, 634, 789, 951, 1578, 1902, 2367, 2853, 3419, 4121, 4734, 5706, 6838, 8242, 10257, 12363, 20514, 24726, 30771, 37089, 61542, 74178, 83371, 166742, 250113, 500226, 750339, 1083823, 1500678, 2167646, 3251469, 6502938, 9754407, 19508814]

約数ペア:

[(1, 19508814), (2, 9754407), (3, 6502938), (6, 3251469), (9, 2167646), (13, 1500678), (18, 1083823), (26, 750339), (39, 500226), (78, 250113), (117, 166742), (234, 83371), (263, 74178), (317, 61542), (526, 37089), (634, 30771), (789, 24726), (951, 20514), (1578, 12363), (1902, 10257), (2367, 8242), (2853, 6838), (3419, 5706), (4121, 4734)]