19996099136

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{5659}}^1$

素因数の和:5852

約数の個数: 112

約数和(自身を含む): 44440327680

約数和(自身を除く): 24444228544

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 137, 208, 248, 274, 403, 416, 496, 548, 806, 832, 992, 1096, 1612, 1781, 1984, 2192, 3224, 3562, 4247, 4384, 5659, 6448, 7124, 8494, 8768, 11318, 12896, 14248, 16988, 22636, 25792, 28496, 33976, 45272, 55211, 56992, 67952, 73567, 90544, 110422, 113984, 135904, 147134, 175429, 181088, 220844, 271808, 294268, 350858, 362176, 441688, 588536, 701716, 775283, 883376, 1177072, 1403432, 1550566, 1766752, 2280577, 2354144, 2806864, 3101132, 3533504, 4561154, 4708288, 5613728, 6202264, 9122308, 10078679, 11227456, 12404528, 18244616, 20157358, 24033773, 24809056, 36489232, 40314716, 48067546, 49618112, 72978464, 80629432, 96135092, 145956928, 161258864, 192270184, 312439049, 322517728, 384540368, 624878098, 645035456, 769080736, 1249756196, 1538161472, 2499512392, 4999024784, 9998049568, 19996099136]

約数ペア:

[(1, 19996099136), (2, 9998049568), (4, 4999024784), (8, 2499512392), (13, 1538161472), (16, 1249756196), (26, 769080736), (31, 645035456), (32, 624878098), (52, 384540368), (62, 322517728), (64, 312439049), (104, 192270184), (124, 161258864), (137, 145956928), (208, 96135092), (248, 80629432), (274, 72978464), (403, 49618112), (416, 48067546), (496, 40314716), (548, 36489232), (806, 24809056), (832, 24033773), (992, 20157358), (1096, 18244616), (1612, 12404528), (1781, 11227456), (1984, 10078679), (2192, 9122308), (3224, 6202264), (3562, 5613728), (4247, 4708288), (4384, 4561154), (5659, 3533504), (6448, 3101132), (7124, 2806864), (8494, 2354144), (8768, 2280577), (11318, 1766752), (12896, 1550566), (14248, 1403432), (16988, 1177072), (22636, 883376), (25792, 775283), (28496, 701716), (33976, 588536), (45272, 441688), (55211, 362176), (56992, 350858), (67952, 294268), (73567, 271808), (90544, 220844), (110422, 181088), (113984, 175429), (135904, 147134)]