18852309

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14094891

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 197, 217, 279, 343, 441, 591, 651, 1029, 1379, 1519, 1773, 1953, 3087, 4137, 4557, 6107, 9653, 10633, 12411, 13671, 18321, 28959, 31899, 42749, 54963, 67571, 86877, 95697, 128247, 202713, 299243, 384741, 608139, 897729, 2094701, 2693187, 6284103, 18852309]

約数ペア:

[(1, 18852309), (3, 6284103), (7, 2693187), (9, 2094701), (21, 897729), (31, 608139), (49, 384741), (63, 299243), (93, 202713), (147, 128247), (197, 95697), (217, 86877), (279, 67571), (343, 54963), (441, 42749), (591, 31899), (651, 28959), (1029, 18321), (1379, 13671), (1519, 12411), (1773, 10633), (1953, 9653), (3087, 6107), (4137, 4557)]