19619457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 14249343

約数列:

[1, 3, 11, 13, 19, 29, 33, 39, 57, 83, 87, 143, 209, 247, 249, 319, 377, 429, 551, 627, 741, 913, 957, 1079, 1131, 1577, 1653, 2407, 2717, 2739, 3237, 4147, 4731, 6061, 7163, 7221, 8151, 11869, 12441, 17347, 18183, 20501, 21489, 26477, 31291, 35607, 45733, 52041, 61503, 78793, 79431, 93873, 137199, 225511, 236379, 344201, 503063, 594529, 676533, 1032603, 1509189, 1783587, 6539819, 19619457]

約数ペア:

[(1, 19619457), (3, 6539819), (11, 1783587), (13, 1509189), (19, 1032603), (29, 676533), (33, 594529), (39, 503063), (57, 344201), (83, 236379), (87, 225511), (143, 137199), (209, 93873), (247, 79431), (249, 78793), (319, 61503), (377, 52041), (429, 45733), (551, 35607), (627, 31291), (741, 26477), (913, 21489), (957, 20501), (1079, 18183), (1131, 17347), (1577, 12441), (1653, 11869), (2407, 8151), (2717, 7221), (2739, 7163), (3237, 6061), (4147, 4731)]