18715554

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 72

約数和(自身を含む): 48073116

約数和(自身を除く): 29357562

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 661, 726, 858, 1089, 1287, 1322, 1573, 1983, 2178, 2574, 3146, 3966, 4719, 5949, 7271, 8593, 9438, 11898, 14157, 14542, 17186, 21813, 25779, 28314, 43626, 51558, 65439, 77337, 79981, 94523, 130878, 154674, 159962, 189046, 239943, 283569, 479886, 567138, 719829, 850707, 1039753, 1439658, 1701414, 2079506, 3119259, 6238518, 9357777, 18715554]

約数ペア:

[(1, 18715554), (2, 9357777), (3, 6238518), (6, 3119259), (9, 2079506), (11, 1701414), (13, 1439658), (18, 1039753), (22, 850707), (26, 719829), (33, 567138), (39, 479886), (66, 283569), (78, 239943), (99, 189046), (117, 159962), (121, 154674), (143, 130878), (198, 94523), (234, 79981), (242, 77337), (286, 65439), (363, 51558), (429, 43626), (661, 28314), (726, 25779), (858, 21813), (1089, 17186), (1287, 14542), (1322, 14157), (1573, 11898), (1983, 9438), (2178, 8593), (2574, 7271), (3146, 5949), (3966, 4719)]