19734420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7649}}^1$

素因数の和:7704

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 36814380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7649, 15298, 22947, 30596, 38245, 45894, 76490, 91788, 114735, 152980, 229470, 328907, 458940, 657814, 986721, 1315628, 1644535, 1973442, 3289070, 3946884, 4933605, 6578140, 9867210, 19734420]

約数ペア:

[(1, 19734420), (2, 9867210), (3, 6578140), (4, 4933605), (5, 3946884), (6, 3289070), (10, 1973442), (12, 1644535), (15, 1315628), (20, 986721), (30, 657814), (43, 458940), (60, 328907), (86, 229470), (129, 152980), (172, 114735), (215, 91788), (258, 76490), (430, 45894), (516, 38245), (645, 30596), (860, 22947), (1290, 15298), (2580, 7649)]