18697365

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8147}}^1$

素因数の和:8178

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 16501995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8147, 24441, 40735, 73323, 122205, 138499, 219969, 366615, 415497, 692495, 1099845, 1246491, 2077485, 3739473, 6232455, 18697365]

約数ペア:

[(1, 18697365), (3, 6232455), (5, 3739473), (9, 2077485), (15, 1246491), (17, 1099845), (27, 692495), (45, 415497), (51, 366615), (85, 219969), (135, 138499), (153, 122205), (255, 73323), (459, 40735), (765, 24441), (2295, 8147)]