19156977

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 34624512

約数和(自身を除く): 15467535

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 577, 651, 1071, 1581, 1731, 1953, 3689, 4039, 4743, 5193, 9809, 11067, 12117, 17887, 29427, 33201, 36351, 53661, 68663, 88281, 125209, 160983, 205989, 304079, 375627, 617967, 912237, 1126881, 2128553, 2736711, 6385659, 19156977]

約数ペア:

[(1, 19156977), (3, 6385659), (7, 2736711), (9, 2128553), (17, 1126881), (21, 912237), (31, 617967), (51, 375627), (63, 304079), (93, 205989), (119, 160983), (153, 125209), (217, 88281), (279, 68663), (357, 53661), (527, 36351), (577, 33201), (651, 29427), (1071, 17887), (1581, 12117), (1731, 11067), (1953, 9809), (3689, 5193), (4039, 4743)]