18707820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18341}}^1$

素因数の和:18370

約数の個数: 48

約数和(自身を含む): 55466208

約数和(自身を除く): 36758388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18341, 36682, 55023, 73364, 91705, 110046, 183410, 220092, 275115, 311797, 366820, 550230, 623594, 935391, 1100460, 1247188, 1558985, 1870782, 3117970, 3741564, 4676955, 6235940, 9353910, 18707820]

約数ペア:

[(1, 18707820), (2, 9353910), (3, 6235940), (4, 4676955), (5, 3741564), (6, 3117970), (10, 1870782), (12, 1558985), (15, 1247188), (17, 1100460), (20, 935391), (30, 623594), (34, 550230), (51, 366820), (60, 311797), (68, 275115), (85, 220092), (102, 183410), (170, 110046), (204, 91705), (255, 73364), (340, 55023), (510, 36682), (1020, 18341)]