18309928

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3593}}^1$

素因数の和:3626

約数の個数: 48

約数和(自身を含む): 43020180

約数和(自身を除く): 24710252

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3593, 5096, 7186, 14372, 25151, 28744, 46709, 50302, 93418, 100604, 176057, 186836, 201208, 326963, 352114, 373672, 653926, 704228, 1307852, 1408456, 2288741, 2615704, 4577482, 9154964, 18309928]

約数ペア:

[(1, 18309928), (2, 9154964), (4, 4577482), (7, 2615704), (8, 2288741), (13, 1408456), (14, 1307852), (26, 704228), (28, 653926), (49, 373672), (52, 352114), (56, 326963), (91, 201208), (98, 186836), (104, 176057), (182, 100604), (196, 93418), (364, 50302), (392, 46709), (637, 28744), (728, 25151), (1274, 14372), (2548, 7186), (3593, 5096)]