19968704

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 84

約数和(自身を含む): 47786544

約数和(自身を除く): 27817840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 53, 56, 58, 64, 106, 112, 116, 203, 212, 224, 232, 371, 406, 424, 448, 464, 742, 812, 841, 848, 928, 1484, 1537, 1624, 1682, 1696, 1856, 2968, 3074, 3248, 3364, 3392, 5887, 5936, 6148, 6496, 6728, 10759, 11774, 11872, 12296, 12992, 13456, 21518, 23548, 23744, 24592, 26912, 43036, 44573, 47096, 49184, 53824, 86072, 89146, 94192, 98368, 172144, 178292, 188384, 312011, 344288, 356584, 376768, 624022, 688576, 713168, 1248044, 1426336, 2496088, 2852672, 4992176, 9984352, 19968704]

約数ペア:

[(1, 19968704), (2, 9984352), (4, 4992176), (7, 2852672), (8, 2496088), (14, 1426336), (16, 1248044), (28, 713168), (29, 688576), (32, 624022), (53, 376768), (56, 356584), (58, 344288), (64, 312011), (106, 188384), (112, 178292), (116, 172144), (203, 98368), (212, 94192), (224, 89146), (232, 86072), (371, 53824), (406, 49184), (424, 47096), (448, 44573), (464, 43036), (742, 26912), (812, 24592), (841, 23744), (848, 23548), (928, 21518), (1484, 13456), (1537, 12992), (1624, 12296), (1682, 11872), (1696, 11774), (1856, 10759), (2968, 6728), (3074, 6496), (3248, 6148), (3364, 5936), (3392, 5887)]