18718854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 48218112

約数和(自身を除く): 29499258

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1307, 2046, 2387, 2614, 3921, 4774, 7161, 7842, 9149, 14322, 14377, 18298, 27447, 28754, 40517, 43131, 54894, 81034, 86262, 100639, 121551, 201278, 243102, 283619, 301917, 445687, 567238, 603834, 850857, 891374, 1337061, 1701714, 2674122, 3119809, 6239618, 9359427, 18718854]

約数ペア:

[(1, 18718854), (2, 9359427), (3, 6239618), (6, 3119809), (7, 2674122), (11, 1701714), (14, 1337061), (21, 891374), (22, 850857), (31, 603834), (33, 567238), (42, 445687), (62, 301917), (66, 283619), (77, 243102), (93, 201278), (154, 121551), (186, 100639), (217, 86262), (231, 81034), (341, 54894), (434, 43131), (462, 40517), (651, 28754), (682, 27447), (1023, 18298), (1302, 14377), (1307, 14322), (2046, 9149), (2387, 7842), (2614, 7161), (3921, 4774)]