19656879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 31124736

約数和(自身を除く): 11467857

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 947, 1221, 1887, 2841, 6919, 10417, 16099, 20757, 31251, 35039, 48297, 105117, 177089, 385429, 531267, 595663, 1156287, 1786989, 6552293, 19656879]

約数ペア:

[(1, 19656879), (3, 6552293), (11, 1786989), (17, 1156287), (33, 595663), (37, 531267), (51, 385429), (111, 177089), (187, 105117), (407, 48297), (561, 35039), (629, 31251), (947, 20757), (1221, 16099), (1887, 10417), (2841, 6919)]