19930545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26053}}^1$

素因数の和:26081

約数の個数: 24

約数和(自身を含む): 36579816

約数和(自身を除く): 16649271

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26053, 78159, 130265, 234477, 390795, 442901, 1172385, 1328703, 2214505, 3986109, 6643515, 19930545]

約数ペア:

[(1, 19930545), (3, 6643515), (5, 3986109), (9, 2214505), (15, 1328703), (17, 1172385), (45, 442901), (51, 390795), (85, 234477), (153, 130265), (255, 78159), (765, 26053)]