19912320752

素因数分解:

$2^4\times {\mathrm{827}}^1\times {\mathrm{1504861}}^1$

素因数の和:1505696

約数の個数: 20

約数和(自身を含む): 38626797816

約数和(自身を除く): 18714477064

約数列:

[1, 2, 4, 8, 16, 827, 1654, 3308, 6616, 13232, 1504861, 3009722, 6019444, 12038888, 24077776, 1244520047, 2489040094, 4978080188, 9956160376, 19912320752]

約数ペア:

[(1, 19912320752), (2, 9956160376), (4, 4978080188), (8, 2489040094), (16, 1244520047), (827, 24077776), (1654, 12038888), (3308, 6019444), (6616, 3009722), (13232, 1504861)]