18961270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 16419530

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 449, 515, 898, 1030, 2245, 4223, 4490, 8446, 18409, 21115, 36818, 42230, 46247, 92045, 92494, 184090, 231235, 462470, 1896127, 3792254, 9480635, 18961270]

約数ペア:

[(1, 18961270), (2, 9480635), (5, 3792254), (10, 1896127), (41, 462470), (82, 231235), (103, 184090), (205, 92494), (206, 92045), (410, 46247), (449, 42230), (515, 36818), (898, 21115), (1030, 18409), (2245, 8446), (4223, 4490)]