19678920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163991}}^1$

素因数の和:164005

約数の個数: 32

約数和(自身を含む): 59037120

約数和(自身を除く): 39358200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163991, 327982, 491973, 655964, 819955, 983946, 1311928, 1639910, 1967892, 2459865, 3279820, 3935784, 4919730, 6559640, 9839460, 19678920]

約数ペア:

[(1, 19678920), (2, 9839460), (3, 6559640), (4, 4919730), (5, 3935784), (6, 3279820), (8, 2459865), (10, 1967892), (12, 1639910), (15, 1311928), (20, 983946), (24, 819955), (30, 655964), (40, 491973), (60, 327982), (120, 163991)]