19921482

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 29698998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 446, 669, 709, 1338, 1418, 1561, 2007, 2127, 3122, 4014, 4254, 4683, 4963, 6381, 9366, 9926, 12762, 14049, 14889, 28098, 29778, 44667, 89334, 158107, 316214, 474321, 948642, 1106749, 1422963, 2213498, 2845926, 3320247, 6640494, 9960741, 19921482]

約数ペア:

[(1, 19921482), (2, 9960741), (3, 6640494), (6, 3320247), (7, 2845926), (9, 2213498), (14, 1422963), (18, 1106749), (21, 948642), (42, 474321), (63, 316214), (126, 158107), (223, 89334), (446, 44667), (669, 29778), (709, 28098), (1338, 14889), (1418, 14049), (1561, 12762), (2007, 9926), (2127, 9366), (3122, 6381), (4014, 4963), (4254, 4683)]