18472455

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2683}}^1$

素因数の和:2717

約数の個数: 40

約数和(自身を含む): 35074512

約数和(自身を除く): 16602057

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2683, 6885, 8049, 13415, 24147, 40245, 45611, 72441, 120735, 136833, 217323, 228055, 362205, 410499, 684165, 1086615, 1231497, 2052495, 3694491, 6157485, 18472455]

約数ペア:

[(1, 18472455), (3, 6157485), (5, 3694491), (9, 2052495), (15, 1231497), (17, 1086615), (27, 684165), (45, 410499), (51, 362205), (81, 228055), (85, 217323), (135, 136833), (153, 120735), (255, 72441), (405, 45611), (459, 40245), (765, 24147), (1377, 13415), (2295, 8049), (2683, 6885)]