19145328

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2447}}^1$

素因数の和:2621

約数の個数: 40

約数和(自身を含む): 49782528

約数和(自身を除く): 30637200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2447, 2608, 3912, 4894, 7341, 7824, 9788, 14682, 19576, 29364, 39152, 58728, 117456, 398861, 797722, 1196583, 1595444, 2393166, 3190888, 4786332, 6381776, 9572664, 19145328]

約数ペア:

[(1, 19145328), (2, 9572664), (3, 6381776), (4, 4786332), (6, 3190888), (8, 2393166), (12, 1595444), (16, 1196583), (24, 797722), (48, 398861), (163, 117456), (326, 58728), (489, 39152), (652, 29364), (978, 19576), (1304, 14682), (1956, 9788), (2447, 7824), (2608, 7341), (3912, 4894)]