19915536

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9649}}^1$

素因数の和:9703

約数の個数: 40

約数和(自身を含む): 52650400

約数和(自身を除く): 32734864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9649, 19298, 28947, 38596, 57894, 77192, 115788, 154384, 231576, 414907, 463152, 829814, 1244721, 1659628, 2489442, 3319256, 4978884, 6638512, 9957768, 19915536]

約数ペア:

[(1, 19915536), (2, 9957768), (3, 6638512), (4, 4978884), (6, 3319256), (8, 2489442), (12, 1659628), (16, 1244721), (24, 829814), (43, 463152), (48, 414907), (86, 231576), (129, 154384), (172, 115788), (258, 77192), (344, 57894), (516, 38596), (688, 28947), (1032, 19298), (2064, 9649)]