19557531

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2029}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 35370720

約数和(自身を除く): 15813189

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 2029, 3213, 6087, 9639, 14203, 18261, 34493, 42609, 54783, 103479, 127827, 164349, 241451, 310437, 383481, 724353, 931311, 1150443, 2173059, 2793933, 6519177, 19557531]

約数ペア:

[(1, 19557531), (3, 6519177), (7, 2793933), (9, 2173059), (17, 1150443), (21, 931311), (27, 724353), (51, 383481), (63, 310437), (81, 241451), (119, 164349), (153, 127827), (189, 103479), (357, 54783), (459, 42609), (567, 34493), (1071, 18261), (1377, 14203), (2029, 9639), (3213, 6087)]