18339927788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1361741}}^1$

素因数の和:1361802

約数の個数: 48

約数和(自身を含む): 40569017664

約数和(自身を除く): 22229089876

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 1361741, 2723482, 5446964, 9532187, 17702633, 19064374, 35405266, 38128748, 50384417, 70810532, 100768834, 123918431, 201537668, 247836862, 352690919, 495673724, 654997421, 705381838, 1309994842, 1410763676, 2619989684, 4584981947, 9169963894, 18339927788]

約数ペア:

[(1, 18339927788), (2, 9169963894), (4, 4584981947), (7, 2619989684), (13, 1410763676), (14, 1309994842), (26, 705381838), (28, 654997421), (37, 495673724), (52, 352690919), (74, 247836862), (91, 201537668), (148, 123918431), (182, 100768834), (259, 70810532), (364, 50384417), (481, 38128748), (518, 35405266), (962, 19064374), (1036, 17702633), (1924, 9532187), (3367, 5446964), (6734, 2723482), (13468, 1361741)]