19317350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 19867642

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 263, 325, 526, 565, 650, 1130, 1315, 1469, 2630, 2825, 2938, 3419, 5650, 6575, 6838, 7345, 13150, 14690, 17095, 29719, 34190, 36725, 59438, 73450, 85475, 148595, 170950, 297190, 386347, 742975, 772694, 1485950, 1931735, 3863470, 9658675, 19317350]

約数ペア:

[(1, 19317350), (2, 9658675), (5, 3863470), (10, 1931735), (13, 1485950), (25, 772694), (26, 742975), (50, 386347), (65, 297190), (113, 170950), (130, 148595), (226, 85475), (263, 73450), (325, 59438), (526, 36725), (565, 34190), (650, 29719), (1130, 17095), (1315, 14690), (1469, 13150), (2630, 7345), (2825, 6838), (2938, 6575), (3419, 5650)]