19630520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5393}}^1$

素因数の和:5424

約数の個数: 64

約数和(自身を含む): 54371520

約数和(自身を除く): 34741000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5393, 10786, 21572, 26965, 37751, 43144, 53930, 70109, 75502, 107860, 140218, 151004, 188755, 215720, 280436, 302008, 350545, 377510, 490763, 560872, 701090, 755020, 981526, 1402180, 1510040, 1963052, 2453815, 2804360, 3926104, 4907630, 9815260, 19630520]

約数ペア:

[(1, 19630520), (2, 9815260), (4, 4907630), (5, 3926104), (7, 2804360), (8, 2453815), (10, 1963052), (13, 1510040), (14, 1402180), (20, 981526), (26, 755020), (28, 701090), (35, 560872), (40, 490763), (52, 377510), (56, 350545), (65, 302008), (70, 280436), (91, 215720), (104, 188755), (130, 151004), (140, 140218), (182, 107860), (260, 75502), (280, 70109), (364, 53930), (455, 43144), (520, 37751), (728, 26965), (910, 21572), (1820, 10786), (3640, 5393)]