20180180812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{64661}}^1$

素因数の和:64890

約数の個数: 48

約数和(自身を含む): 39694191264

約数和(自身を除く): 19514010452

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 173, 346, 451, 692, 902, 1804, 1903, 3806, 7093, 7612, 14186, 28372, 64661, 78023, 129322, 156046, 258644, 312092, 711271, 1422542, 2651101, 2845084, 5302202, 10604404, 11186353, 22372706, 29162111, 44745412, 58324222, 116648444, 123049883, 246099766, 458640473, 492199532, 917280946, 1834561892, 5045045203, 10090090406, 20180180812]

約数ペア:

[(1, 20180180812), (2, 10090090406), (4, 5045045203), (11, 1834561892), (22, 917280946), (41, 492199532), (44, 458640473), (82, 246099766), (164, 123049883), (173, 116648444), (346, 58324222), (451, 44745412), (692, 29162111), (902, 22372706), (1804, 11186353), (1903, 10604404), (3806, 5302202), (7093, 2845084), (7612, 2651101), (14186, 1422542), (28372, 711271), (64661, 312092), (78023, 258644), (129322, 156046)]