17920784

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3019}}^1$

素因数の和:3087

約数の個数: 40

約数和(自身を含む): 40443840

約数和(自身を除く): 22523056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3019, 5936, 6038, 12076, 21133, 24152, 42266, 48304, 84532, 160007, 169064, 320014, 338128, 640028, 1120049, 1280056, 2240098, 2560112, 4480196, 8960392, 17920784]

約数ペア:

[(1, 17920784), (2, 8960392), (4, 4480196), (7, 2560112), (8, 2240098), (14, 1280056), (16, 1120049), (28, 640028), (53, 338128), (56, 320014), (106, 169064), (112, 160007), (212, 84532), (371, 48304), (424, 42266), (742, 24152), (848, 21133), (1484, 12076), (2968, 6038), (3019, 5936)]