19386125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 27585792

約数和(自身を除く): 8199667

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 613, 1265, 1375, 2875, 3065, 6325, 6743, 14099, 15325, 31625, 33715, 70495, 76625, 155089, 168575, 352475, 775445, 842875, 1762375, 3877225, 19386125]

約数ペア:

[(1, 19386125), (5, 3877225), (11, 1762375), (23, 842875), (25, 775445), (55, 352475), (115, 168575), (125, 155089), (253, 76625), (275, 70495), (575, 33715), (613, 31625), (1265, 15325), (1375, 14099), (2875, 6743), (3065, 6325)]