18971394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8387}}^1$

素因数の和:8434

約数の個数: 32

約数和(自身を含む): 42275520

約数和(自身を除く): 23304126

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 8387, 16774, 25161, 50322, 109031, 218062, 243223, 327093, 486446, 654186, 729669, 1459338, 3161899, 6323798, 9485697, 18971394]

約数ペア:

[(1, 18971394), (2, 9485697), (3, 6323798), (6, 3161899), (13, 1459338), (26, 729669), (29, 654186), (39, 486446), (58, 327093), (78, 243223), (87, 218062), (174, 109031), (377, 50322), (754, 25161), (1131, 16774), (2262, 8387)]