19008465140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{217937}}^1$

素因数の和:218049

約数の個数: 72

約数和(自身を含む): 46956921480

約数和(自身を除く): 27948456340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2492, 3115, 4361, 6230, 8722, 12460, 17444, 21805, 43610, 87220, 217937, 435874, 871748, 1089685, 1525559, 2179370, 3051118, 4358740, 6102236, 7627795, 10678913, 15255590, 19396393, 21357826, 30511180, 38792786, 42715652, 53394565, 77585572, 96981965, 106789130, 135774751, 193963930, 213578260, 271549502, 387927860, 543099004, 678873755, 950423257, 1357747510, 1900846514, 2715495020, 3801693028, 4752116285, 9504232570, 19008465140]

約数ペア:

[(1, 19008465140), (2, 9504232570), (4, 4752116285), (5, 3801693028), (7, 2715495020), (10, 1900846514), (14, 1357747510), (20, 950423257), (28, 678873755), (35, 543099004), (49, 387927860), (70, 271549502), (89, 213578260), (98, 193963930), (140, 135774751), (178, 106789130), (196, 96981965), (245, 77585572), (356, 53394565), (445, 42715652), (490, 38792786), (623, 30511180), (890, 21357826), (980, 19396393), (1246, 15255590), (1780, 10678913), (2492, 7627795), (3115, 6102236), (4361, 4358740), (6230, 3051118), (8722, 2179370), (12460, 1525559), (17444, 1089685), (21805, 871748), (43610, 435874), (87220, 217937)]