19597886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19012546

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 503, 506, 847, 1006, 1694, 1771, 2783, 3521, 3542, 5533, 5566, 7042, 11066, 11569, 19481, 23138, 38731, 38962, 60863, 77462, 80983, 121726, 127259, 161966, 254518, 426041, 852082, 890813, 1399849, 1781626, 2799698, 9798943, 19597886]

約数ペア:

[(1, 19597886), (2, 9798943), (7, 2799698), (11, 1781626), (14, 1399849), (22, 890813), (23, 852082), (46, 426041), (77, 254518), (121, 161966), (154, 127259), (161, 121726), (242, 80983), (253, 77462), (322, 60863), (503, 38962), (506, 38731), (847, 23138), (1006, 19481), (1694, 11569), (1771, 11066), (2783, 7042), (3521, 5566), (3542, 5533)]