19909116

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2621}}^1$

素因数の和:2842

約数の個数: 36

約数和(自身を含む): 50583624

約数和(自身を除く): 30674508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2621, 3798, 5242, 7596, 7863, 10484, 15726, 23589, 31452, 47178, 94356, 553031, 1106062, 1659093, 2212124, 3318186, 4977279, 6636372, 9954558, 19909116]

約数ペア:

[(1, 19909116), (2, 9954558), (3, 6636372), (4, 4977279), (6, 3318186), (9, 2212124), (12, 1659093), (18, 1106062), (36, 553031), (211, 94356), (422, 47178), (633, 31452), (844, 23589), (1266, 15726), (1899, 10484), (2532, 7863), (2621, 7596), (3798, 5242)]