19902570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7993}}^1$

素因数の和:8086

約数の個数: 32

約数和(自身を含む): 48347712

約数和(自身を除く): 28445142

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 7993, 15986, 23979, 39965, 47958, 79930, 119895, 239790, 663419, 1326838, 1990257, 3317095, 3980514, 6634190, 9951285, 19902570]

約数ペア:

[(1, 19902570), (2, 9951285), (3, 6634190), (5, 3980514), (6, 3317095), (10, 1990257), (15, 1326838), (30, 663419), (83, 239790), (166, 119895), (249, 79930), (415, 47958), (498, 39965), (830, 23979), (1245, 15986), (2490, 7993)]