19888452

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{4889}}^1$

素因数の和:5012

約数の個数: 36

約数和(自身を含む): 50728860

約数和(自身を除く): 30840408

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 4889, 9778, 14667, 19556, 29334, 44001, 58668, 88002, 176004, 552457, 1104914, 1657371, 2209828, 3314742, 4972113, 6629484, 9944226, 19888452]

約数ペア:

[(1, 19888452), (2, 9944226), (3, 6629484), (4, 4972113), (6, 3314742), (9, 2209828), (12, 1657371), (18, 1104914), (36, 552457), (113, 176004), (226, 88002), (339, 58668), (452, 44001), (678, 29334), (1017, 19556), (1356, 14667), (2034, 9778), (4068, 4889)]