19819492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 43585920

約数和(自身を除く): 23766428

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 229, 281, 308, 458, 562, 916, 1124, 1603, 1967, 2519, 3091, 3206, 3934, 5038, 6182, 6412, 7868, 10076, 12364, 17633, 21637, 35266, 43274, 64349, 70532, 86548, 128698, 257396, 450443, 707839, 900886, 1415678, 1801772, 2831356, 4954873, 9909746, 19819492]

約数ペア:

[(1, 19819492), (2, 9909746), (4, 4954873), (7, 2831356), (11, 1801772), (14, 1415678), (22, 900886), (28, 707839), (44, 450443), (77, 257396), (154, 128698), (229, 86548), (281, 70532), (308, 64349), (458, 43274), (562, 35266), (916, 21637), (1124, 17633), (1603, 12364), (1967, 10076), (2519, 7868), (3091, 6412), (3206, 6182), (3934, 5038)]