18272820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8231}}^1$

素因数の和:8280

約数の個数: 48

約数和(自身を含む): 52553088

約数和(自身を除く): 34280268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8231, 16462, 24693, 32924, 41155, 49386, 82310, 98772, 123465, 164620, 246930, 304547, 493860, 609094, 913641, 1218188, 1522735, 1827282, 3045470, 3654564, 4568205, 6090940, 9136410, 18272820]

約数ペア:

[(1, 18272820), (2, 9136410), (3, 6090940), (4, 4568205), (5, 3654564), (6, 3045470), (10, 1827282), (12, 1522735), (15, 1218188), (20, 913641), (30, 609094), (37, 493860), (60, 304547), (74, 246930), (111, 164620), (148, 123465), (185, 98772), (222, 82310), (370, 49386), (444, 41155), (555, 32924), (740, 24693), (1110, 16462), (2220, 8231)]