19521590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1723}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 38727936

約数和(自身を除く): 19206346

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 1723, 2266, 3446, 5665, 8615, 11330, 17230, 18953, 37906, 94765, 177469, 189530, 354938, 887345, 1774690, 1952159, 3904318, 9760795, 19521590]

約数ペア:

[(1, 19521590), (2, 9760795), (5, 3904318), (10, 1952159), (11, 1774690), (22, 887345), (55, 354938), (103, 189530), (110, 177469), (206, 94765), (515, 37906), (1030, 18953), (1133, 17230), (1723, 11330), (2266, 8615), (3446, 5665)]