19796931

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 37346400

約数和(自身を除く): 17549469

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 53, 63, 77, 99, 121, 147, 159, 231, 343, 363, 371, 441, 477, 539, 583, 693, 847, 1029, 1089, 1113, 1617, 1749, 2541, 2597, 3087, 3339, 3773, 4081, 4851, 5247, 5929, 6413, 7623, 7791, 11319, 12243, 17787, 18179, 19239, 23373, 28567, 33957, 36729, 41503, 44891, 53361, 54537, 57717, 85701, 124509, 134673, 163611, 199969, 257103, 314237, 373527, 404019, 599907, 942711, 1799721, 2199659, 2828133, 6598977, 19796931]

約数ペア:

[(1, 19796931), (3, 6598977), (7, 2828133), (9, 2199659), (11, 1799721), (21, 942711), (33, 599907), (49, 404019), (53, 373527), (63, 314237), (77, 257103), (99, 199969), (121, 163611), (147, 134673), (159, 124509), (231, 85701), (343, 57717), (363, 54537), (371, 53361), (441, 44891), (477, 41503), (539, 36729), (583, 33957), (693, 28567), (847, 23373), (1029, 19239), (1089, 18179), (1113, 17787), (1617, 12243), (1749, 11319), (2541, 7791), (2597, 7623), (3087, 6413), (3339, 5929), (3773, 5247), (4081, 4851)]