18996939765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1306979}}^1$

素因数の和:1307026

約数の個数: 48

約数和(自身を含む): 36699998400

約数和(自身を除く): 17703058635

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 2907, 4845, 14535, 1306979, 3920937, 6534895, 11762811, 19604685, 22218643, 24832601, 58814055, 66655929, 74497803, 111093215, 124163005, 199967787, 223493409, 333279645, 372489015, 422154217, 999838935, 1117467045, 1266462651, 2110771085, 3799387953, 6332313255, 18996939765]

約数ペア:

[(1, 18996939765), (3, 6332313255), (5, 3799387953), (9, 2110771085), (15, 1266462651), (17, 1117467045), (19, 999838935), (45, 422154217), (51, 372489015), (57, 333279645), (85, 223493409), (95, 199967787), (153, 124163005), (171, 111093215), (255, 74497803), (285, 66655929), (323, 58814055), (765, 24832601), (855, 22218643), (969, 19604685), (1615, 11762811), (2907, 6534895), (4845, 3920937), (14535, 1306979)]