19564974

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 72

約数和(自身を含む): 50251656

約数和(自身を除く): 30686682

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, 691, 726, 858, 1089, 1287, 1382, 1573, 2073, 2178, 2574, 3146, 4146, 4719, 6219, 7601, 8983, 9438, 12438, 14157, 15202, 17966, 22803, 26949, 28314, 45606, 53898, 68409, 80847, 83611, 98813, 136818, 161694, 167222, 197626, 250833, 296439, 501666, 592878, 752499, 889317, 1086943, 1504998, 1778634, 2173886, 3260829, 6521658, 9782487, 19564974]

約数ペア:

[(1, 19564974), (2, 9782487), (3, 6521658), (6, 3260829), (9, 2173886), (11, 1778634), (13, 1504998), (18, 1086943), (22, 889317), (26, 752499), (33, 592878), (39, 501666), (66, 296439), (78, 250833), (99, 197626), (117, 167222), (121, 161694), (143, 136818), (198, 98813), (234, 83611), (242, 80847), (286, 68409), (363, 53898), (429, 45606), (691, 28314), (726, 26949), (858, 22803), (1089, 17966), (1287, 15202), (1382, 14157), (1573, 12438), (2073, 9438), (2178, 8983), (2574, 7601), (3146, 6219), (4146, 4719)]