18242955

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7949}}^1$

素因数の和:7980

約数の個数: 32

約数和(自身を含む): 34344000

約数和(自身を除く): 16101045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 7949, 23847, 39745, 71541, 119235, 135133, 214623, 357705, 405399, 675665, 1073115, 1216197, 2026995, 3648591, 6080985, 18242955]

約数ペア:

[(1, 18242955), (3, 6080985), (5, 3648591), (9, 2026995), (15, 1216197), (17, 1073115), (27, 675665), (45, 405399), (51, 357705), (85, 214623), (135, 135133), (153, 119235), (255, 71541), (459, 39745), (765, 23847), (2295, 7949)]