19704540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{941}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 55389600

約数和(自身を除く): 35685060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 941, 1047, 1396, 1745, 1882, 2094, 2823, 3490, 3764, 4188, 4705, 5235, 5646, 6980, 9410, 10470, 11292, 14115, 18820, 20940, 28230, 56460, 328409, 656818, 985227, 1313636, 1642045, 1970454, 3284090, 3940908, 4926135, 6568180, 9852270, 19704540]

約数ペア:

[(1, 19704540), (2, 9852270), (3, 6568180), (4, 4926135), (5, 3940908), (6, 3284090), (10, 1970454), (12, 1642045), (15, 1313636), (20, 985227), (30, 656818), (60, 328409), (349, 56460), (698, 28230), (941, 20940), (1047, 18820), (1396, 14115), (1745, 11292), (1882, 10470), (2094, 9410), (2823, 6980), (3490, 5646), (3764, 5235), (4188, 4705)]