19128835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 26438400

約数和(自身を除く): 7309565

約数列:

[1, 5, 11, 29, 55, 67, 145, 179, 319, 335, 737, 895, 1595, 1943, 1969, 3685, 5191, 9715, 9845, 11993, 21373, 25955, 57101, 59965, 106865, 131923, 285505, 347797, 659615, 1738985, 3825767, 19128835]

約数ペア:

[(1, 19128835), (5, 3825767), (11, 1738985), (29, 659615), (55, 347797), (67, 285505), (145, 131923), (179, 106865), (319, 59965), (335, 57101), (737, 25955), (895, 21373), (1595, 11993), (1943, 9845), (1969, 9715), (3685, 5191)]