18486520308

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{24917}}^1$

素因数の和:25521

約数の個数: 72

約数和(自身を含む): 48080875752

約数和(自身を除く): 29594355444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 557, 666, 1114, 1332, 1671, 2228, 3342, 5013, 6684, 10026, 20052, 20609, 24917, 41218, 49834, 61827, 74751, 82436, 99668, 123654, 149502, 185481, 224253, 247308, 299004, 370962, 448506, 741924, 897012, 921929, 1843858, 2765787, 3687716, 5531574, 8297361, 11063148, 13878769, 16594722, 27757538, 33189444, 41636307, 55515076, 83272614, 124908921, 166545228, 249817842, 499635684, 513514453, 1027028906, 1540543359, 2054057812, 3081086718, 4621630077, 6162173436, 9243260154, 18486520308]

約数ペア:

[(1, 18486520308), (2, 9243260154), (3, 6162173436), (4, 4621630077), (6, 3081086718), (9, 2054057812), (12, 1540543359), (18, 1027028906), (36, 513514453), (37, 499635684), (74, 249817842), (111, 166545228), (148, 124908921), (222, 83272614), (333, 55515076), (444, 41636307), (557, 33189444), (666, 27757538), (1114, 16594722), (1332, 13878769), (1671, 11063148), (2228, 8297361), (3342, 5531574), (5013, 3687716), (6684, 2765787), (10026, 1843858), (20052, 921929), (20609, 897012), (24917, 741924), (41218, 448506), (49834, 370962), (61827, 299004), (74751, 247308), (82436, 224253), (99668, 185481), (123654, 149502)]