18246996872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{7481}}^1$

素因数の和:8046

約数の個数: 64

約数和(自身を含む): 37709280000

約数和(自身を除く): 19462283128

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 499, 611, 998, 1222, 1996, 2444, 3992, 4888, 6487, 7481, 12974, 14962, 23453, 25948, 29924, 46906, 51896, 59848, 93812, 97253, 187624, 194506, 304889, 351607, 389012, 609778, 703214, 778024, 1219556, 1406428, 2439112, 2812856, 3733019, 4570891, 7466038, 9141782, 14932076, 18283564, 29864152, 36567128, 48529247, 97058494, 175451893, 194116988, 350903786, 388233976, 701807572, 1403615144, 2280874609, 4561749218, 9123498436, 18246996872]

約数ペア:

[(1, 18246996872), (2, 9123498436), (4, 4561749218), (8, 2280874609), (13, 1403615144), (26, 701807572), (47, 388233976), (52, 350903786), (94, 194116988), (104, 175451893), (188, 97058494), (376, 48529247), (499, 36567128), (611, 29864152), (998, 18283564), (1222, 14932076), (1996, 9141782), (2444, 7466038), (3992, 4570891), (4888, 3733019), (6487, 2812856), (7481, 2439112), (12974, 1406428), (14962, 1219556), (23453, 778024), (25948, 703214), (29924, 609778), (46906, 389012), (51896, 351607), (59848, 304889), (93812, 194506), (97253, 187624)]