18559684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 38779776

約数和(自身を除く): 20220092

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 457, 572, 781, 914, 923, 1562, 1828, 1846, 3124, 3692, 5027, 5941, 10054, 10153, 11882, 20108, 20306, 23764, 32447, 40612, 64894, 65351, 129788, 130702, 261404, 356917, 421811, 713834, 843622, 1427668, 1687244, 4639921, 9279842, 18559684]

約数ペア:

[(1, 18559684), (2, 9279842), (4, 4639921), (11, 1687244), (13, 1427668), (22, 843622), (26, 713834), (44, 421811), (52, 356917), (71, 261404), (142, 130702), (143, 129788), (284, 65351), (286, 64894), (457, 40612), (572, 32447), (781, 23764), (914, 20306), (923, 20108), (1562, 11882), (1828, 10153), (1846, 10054), (3124, 5941), (3692, 5027)]