19820295

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1483}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 38892672

約数和(自身を除く): 19072377

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1483, 1485, 2673, 4449, 4455, 7415, 13347, 13365, 16313, 22245, 40041, 48939, 66735, 81565, 120123, 146817, 200205, 244695, 360369, 440451, 600615, 734085, 1321353, 1801845, 2202255, 3964059, 6606765, 19820295]

約数ペア:

[(1, 19820295), (3, 6606765), (5, 3964059), (9, 2202255), (11, 1801845), (15, 1321353), (27, 734085), (33, 600615), (45, 440451), (55, 360369), (81, 244695), (99, 200205), (135, 146817), (165, 120123), (243, 81565), (297, 66735), (405, 48939), (495, 40041), (891, 22245), (1215, 16313), (1483, 13365), (1485, 13347), (2673, 7415), (4449, 4455)]