19634888

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3853}}^1$

素因数の和:3886

約数の個数: 48

約数和(自身を含む): 46132380

約数和(自身を除く): 26497492

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3853, 5096, 7706, 15412, 26971, 30824, 50089, 53942, 100178, 107884, 188797, 200356, 215768, 350623, 377594, 400712, 701246, 755188, 1402492, 1510376, 2454361, 2804984, 4908722, 9817444, 19634888]

約数ペア:

[(1, 19634888), (2, 9817444), (4, 4908722), (7, 2804984), (8, 2454361), (13, 1510376), (14, 1402492), (26, 755188), (28, 701246), (49, 400712), (52, 377594), (56, 350623), (91, 215768), (98, 200356), (104, 188797), (182, 107884), (196, 100178), (364, 53942), (392, 50089), (637, 30824), (728, 26971), (1274, 15412), (2548, 7706), (3853, 5096)]