18302823

素因数分解:

$3^2\times 7^5\times {\mathrm{11}}^2$

素因数の和:63

約数の個数: 54

約数和(自身を含む): 33902232

約数和(自身を除く): 15599409

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 343, 363, 441, 539, 693, 847, 1029, 1089, 1617, 2401, 2541, 3087, 3773, 4851, 5929, 7203, 7623, 11319, 16807, 17787, 21609, 26411, 33957, 41503, 50421, 53361, 79233, 124509, 151263, 184877, 237699, 290521, 373527, 554631, 871563, 1663893, 2033647, 2614689, 6100941, 18302823]

約数ペア:

[(1, 18302823), (3, 6100941), (7, 2614689), (9, 2033647), (11, 1663893), (21, 871563), (33, 554631), (49, 373527), (63, 290521), (77, 237699), (99, 184877), (121, 151263), (147, 124509), (231, 79233), (343, 53361), (363, 50421), (441, 41503), (539, 33957), (693, 26411), (847, 21609), (1029, 17787), (1089, 16807), (1617, 11319), (2401, 7623), (2541, 7203), (3087, 5929), (3773, 4851)]