19611560

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2141}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 44339400

約数和(自身を除く): 24727840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2141, 2290, 4282, 4580, 8564, 9160, 10705, 17128, 21410, 42820, 85640, 490289, 980578, 1961156, 2451445, 3922312, 4902890, 9805780, 19611560]

約数ペア:

[(1, 19611560), (2, 9805780), (4, 4902890), (5, 3922312), (8, 2451445), (10, 1961156), (20, 980578), (40, 490289), (229, 85640), (458, 42820), (916, 21410), (1145, 17128), (1832, 10705), (2141, 9160), (2290, 8564), (4282, 4580)]