19885131

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:760

約数の個数: 36

約数和(自身を含む): 33961512

約数和(自身を除く): 14076381

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 673, 1407, 2019, 3283, 4221, 4711, 6057, 9849, 14133, 29547, 32977, 42399, 45091, 98931, 135273, 296793, 315637, 405819, 946911, 2209459, 2840733, 6628377, 19885131]

約数ペア:

[(1, 19885131), (3, 6628377), (7, 2840733), (9, 2209459), (21, 946911), (49, 405819), (63, 315637), (67, 296793), (147, 135273), (201, 98931), (441, 45091), (469, 42399), (603, 32977), (673, 29547), (1407, 14133), (2019, 9849), (3283, 6057), (4221, 4711)]