18521330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{108949}}^1$

素因数の和:108973

約数の個数: 16

約数和(自身を含む): 35299800

約数和(自身を除く): 16778470

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 108949, 217898, 544745, 1089490, 1852133, 3704266, 9260665, 18521330]

約数ペア:

[(1, 18521330), (2, 9260665), (5, 3704266), (10, 1852133), (17, 1089490), (34, 544745), (85, 217898), (170, 108949)]