19804954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 34433280

約数和(自身を除く): 14628326

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 853, 893, 1222, 1706, 1786, 11089, 11609, 16207, 22178, 23218, 32414, 40091, 80182, 210691, 421382, 521183, 761729, 1042366, 1523458, 9902477, 19804954]

約数ペア:

[(1, 19804954), (2, 9902477), (13, 1523458), (19, 1042366), (26, 761729), (38, 521183), (47, 421382), (94, 210691), (247, 80182), (494, 40091), (611, 32414), (853, 23218), (893, 22178), (1222, 16207), (1706, 11609), (1786, 11089)]