19996992

素因数分解:

$2^6\times 3^2\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 84

約数和(自身を含む): 57950100

約数和(自身を除く): 37953108

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 149, 192, 233, 288, 298, 447, 466, 576, 596, 699, 894, 932, 1192, 1341, 1398, 1788, 1864, 2097, 2384, 2682, 2796, 3576, 3728, 4194, 4768, 5364, 5592, 7152, 7456, 8388, 9536, 10728, 11184, 14304, 14912, 16776, 21456, 22368, 28608, 33552, 34717, 42912, 44736, 67104, 69434, 85824, 104151, 134208, 138868, 208302, 277736, 312453, 416604, 555472, 624906, 833208, 1110944, 1249812, 1666416, 2221888, 2499624, 3332832, 4999248, 6665664, 9998496, 19996992]

約数ペア:

[(1, 19996992), (2, 9998496), (3, 6665664), (4, 4999248), (6, 3332832), (8, 2499624), (9, 2221888), (12, 1666416), (16, 1249812), (18, 1110944), (24, 833208), (32, 624906), (36, 555472), (48, 416604), (64, 312453), (72, 277736), (96, 208302), (144, 138868), (149, 134208), (192, 104151), (233, 85824), (288, 69434), (298, 67104), (447, 44736), (466, 42912), (576, 34717), (596, 33552), (699, 28608), (894, 22368), (932, 21456), (1192, 16776), (1341, 14912), (1398, 14304), (1788, 11184), (1864, 10728), (2097, 9536), (2384, 8388), (2682, 7456), (2796, 7152), (3576, 5592), (3728, 5364), (4194, 4768)]