18679005

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2713}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 35466552

約数和(自身を除く): 16787547

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2713, 6885, 8139, 13565, 24417, 40695, 46121, 73251, 122085, 138363, 219753, 230605, 366255, 415089, 691815, 1098765, 1245267, 2075445, 3735801, 6226335, 18679005]

約数ペア:

[(1, 18679005), (3, 6226335), (5, 3735801), (9, 2075445), (15, 1245267), (17, 1098765), (27, 691815), (45, 415089), (51, 366255), (81, 230605), (85, 219753), (135, 138363), (153, 122085), (255, 73251), (405, 46121), (459, 40695), (765, 24417), (1377, 13565), (2295, 8139), (2713, 6885)]