19749444

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 57407616

約数和(自身を除く): 37658172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 677, 748, 858, 884, 1122, 1326, 1354, 1716, 2031, 2244, 2431, 2652, 2708, 4062, 4862, 7293, 7447, 8124, 8801, 9724, 11509, 14586, 14894, 17602, 22341, 23018, 26403, 29172, 29788, 34527, 35204, 44682, 46036, 52806, 69054, 89364, 96811, 105612, 126599, 138108, 149617, 193622, 253198, 290433, 299234, 379797, 387244, 448851, 506396, 580866, 598468, 759594, 897702, 1161732, 1519188, 1645787, 1795404, 3291574, 4937361, 6583148, 9874722, 19749444]

約数ペア:

[(1, 19749444), (2, 9874722), (3, 6583148), (4, 4937361), (6, 3291574), (11, 1795404), (12, 1645787), (13, 1519188), (17, 1161732), (22, 897702), (26, 759594), (33, 598468), (34, 580866), (39, 506396), (44, 448851), (51, 387244), (52, 379797), (66, 299234), (68, 290433), (78, 253198), (102, 193622), (132, 149617), (143, 138108), (156, 126599), (187, 105612), (204, 96811), (221, 89364), (286, 69054), (374, 52806), (429, 46036), (442, 44682), (561, 35204), (572, 34527), (663, 29788), (677, 29172), (748, 26403), (858, 23018), (884, 22341), (1122, 17602), (1326, 14894), (1354, 14586), (1716, 11509), (2031, 9724), (2244, 8801), (2431, 8124), (2652, 7447), (2708, 7293), (4062, 4862)]