19354545

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6827}}^1$

素因数の和:6851

約数の個数: 40

約数和(自身を含む): 39657024

約数和(自身を除く): 20302479

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6827, 20481, 34135, 47789, 61443, 102405, 143367, 184329, 238945, 307215, 430101, 552987, 716835, 921645, 1290303, 2150505, 2764935, 3870909, 6451515, 19354545]

約数ペア:

[(1, 19354545), (3, 6451515), (5, 3870909), (7, 2764935), (9, 2150505), (15, 1290303), (21, 921645), (27, 716835), (35, 552987), (45, 430101), (63, 307215), (81, 238945), (105, 184329), (135, 143367), (189, 102405), (315, 61443), (405, 47789), (567, 34135), (945, 20481), (2835, 6827)]