19490355

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2447}}^1$

素因数の和:2520

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 15760845

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2447, 2655, 7341, 7965, 12235, 22023, 36705, 66069, 110115, 144373, 330345, 433119, 721865, 1299357, 2165595, 3898071, 6496785, 19490355]

約数ペア:

[(1, 19490355), (3, 6496785), (5, 3898071), (9, 2165595), (15, 1299357), (27, 721865), (45, 433119), (59, 330345), (135, 144373), (177, 110115), (295, 66069), (531, 36705), (885, 22023), (1593, 12235), (2447, 7965), (2655, 7341)]