19195120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 51568128

約数和(自身を除く): 32373008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 227, 280, 302, 454, 560, 604, 755, 908, 1057, 1135, 1208, 1510, 1589, 1816, 2114, 2270, 2416, 3020, 3178, 3632, 4228, 4540, 5285, 6040, 6356, 7945, 8456, 9080, 10570, 12080, 12712, 15890, 16912, 18160, 21140, 25424, 31780, 34277, 42280, 63560, 68554, 84560, 127120, 137108, 171385, 239939, 274216, 342770, 479878, 548432, 685540, 959756, 1199695, 1371080, 1919512, 2399390, 2742160, 3839024, 4798780, 9597560, 19195120]

約数ペア:

[(1, 19195120), (2, 9597560), (4, 4798780), (5, 3839024), (7, 2742160), (8, 2399390), (10, 1919512), (14, 1371080), (16, 1199695), (20, 959756), (28, 685540), (35, 548432), (40, 479878), (56, 342770), (70, 274216), (80, 239939), (112, 171385), (140, 137108), (151, 127120), (227, 84560), (280, 68554), (302, 63560), (454, 42280), (560, 34277), (604, 31780), (755, 25424), (908, 21140), (1057, 18160), (1135, 16912), (1208, 15890), (1510, 12712), (1589, 12080), (1816, 10570), (2114, 9080), (2270, 8456), (2416, 7945), (3020, 6356), (3178, 6040), (3632, 5285), (4228, 4540)]