16840538

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 30767688

約数和(自身を除く): 13927150

約数列:

[1, 2, 11, 13, 22, 26, 53, 101, 106, 121, 143, 202, 242, 286, 583, 689, 1111, 1166, 1313, 1378, 1573, 2222, 2626, 3146, 5353, 6413, 7579, 10706, 12221, 12826, 14443, 15158, 24442, 28886, 58883, 69589, 83369, 117766, 139178, 158873, 166738, 317746, 647713, 765479, 1295426, 1530958, 8420269, 16840538]

約数ペア:

[(1, 16840538), (2, 8420269), (11, 1530958), (13, 1295426), (22, 765479), (26, 647713), (53, 317746), (101, 166738), (106, 158873), (121, 139178), (143, 117766), (202, 83369), (242, 69589), (286, 58883), (583, 28886), (689, 24442), (1111, 15158), (1166, 14443), (1313, 12826), (1378, 12221), (1573, 10706), (2222, 7579), (2626, 6413), (3146, 5353)]