19805640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165047}}^1$

素因数の和:165061

約数の個数: 32

約数和(自身を含む): 59417280

約数和(自身を除く): 39611640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165047, 330094, 495141, 660188, 825235, 990282, 1320376, 1650470, 1980564, 2475705, 3300940, 3961128, 4951410, 6601880, 9902820, 19805640]

約数ペア:

[(1, 19805640), (2, 9902820), (3, 6601880), (4, 4951410), (5, 3961128), (6, 3300940), (8, 2475705), (10, 1980564), (12, 1650470), (15, 1320376), (20, 990282), (24, 825235), (30, 660188), (40, 495141), (60, 330094), (120, 165047)]