19915721254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1\times {\mathrm{19577}}^1$

素因数の和:23160

約数の個数: 32

約数和(自身を含む): 35107896096

約数和(自身を除く): 15192174842

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 3557, 7114, 19577, 39127, 39154, 46241, 78254, 92482, 215347, 254501, 430694, 508651, 509002, 1017302, 2799511, 5599022, 69635389, 139270778, 765989279, 905260057, 1531978558, 1810520114, 9957860627, 19915721254]

約数ペア:

[(1, 19915721254), (2, 9957860627), (11, 1810520114), (13, 1531978558), (22, 905260057), (26, 765989279), (143, 139270778), (286, 69635389), (3557, 5599022), (7114, 2799511), (19577, 1017302), (39127, 509002), (39154, 508651), (46241, 430694), (78254, 254501), (92482, 215347)]