19659728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3019}}^1$

素因数の和:3075

約数の個数: 40

約数和(自身を含む): 42690720

約数和(自身を除く): 23030992

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3019, 3256, 6038, 6512, 12076, 24152, 33209, 48304, 66418, 111703, 132836, 223406, 265672, 446812, 531344, 893624, 1228733, 1787248, 2457466, 4914932, 9829864, 19659728]

約数ペア:

[(1, 19659728), (2, 9829864), (4, 4914932), (8, 2457466), (11, 1787248), (16, 1228733), (22, 893624), (37, 531344), (44, 446812), (74, 265672), (88, 223406), (148, 132836), (176, 111703), (296, 66418), (407, 48304), (592, 33209), (814, 24152), (1628, 12076), (3019, 6512), (3256, 6038)]