19265920

素因数分解:

$2^7\times 5^1\times {\mathrm{30103}}^1$

素因数の和:30122

約数の個数: 32

約数和(自身を含む): 46059120

約数和(自身を除く): 26793200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30103, 60206, 120412, 150515, 240824, 301030, 481648, 602060, 963296, 1204120, 1926592, 2408240, 3853184, 4816480, 9632960, 19265920]

約数ペア:

[(1, 19265920), (2, 9632960), (4, 4816480), (5, 3853184), (8, 2408240), (10, 1926592), (16, 1204120), (20, 963296), (32, 602060), (40, 481648), (64, 301030), (80, 240824), (128, 150515), (160, 120412), (320, 60206), (640, 30103)]