19795100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15227}}^1$

素因数の和:15254

約数の個数: 36

約数和(自身を含む): 46262664

約数和(自身を除く): 26467564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15227, 30454, 60908, 76135, 152270, 197951, 304540, 380675, 395902, 761350, 791804, 989755, 1522700, 1979510, 3959020, 4948775, 9897550, 19795100]

約数ペア:

[(1, 19795100), (2, 9897550), (4, 4948775), (5, 3959020), (10, 1979510), (13, 1522700), (20, 989755), (25, 791804), (26, 761350), (50, 395902), (52, 380675), (65, 304540), (100, 197951), (130, 152270), (260, 76135), (325, 60908), (650, 30454), (1300, 15227)]