19615232

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:459

約数の個数: 80

約数和(自身を含む): 48351072

約数和(自身を除く): 28735840

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 421, 448, 512, 728, 832, 842, 896, 1456, 1664, 1684, 1792, 2912, 2947, 3328, 3368, 3584, 5473, 5824, 5894, 6656, 6736, 10946, 11648, 11788, 13472, 21892, 23296, 23576, 26944, 38311, 43784, 46592, 47152, 53888, 76622, 87568, 94304, 107776, 153244, 175136, 188608, 215552, 306488, 350272, 377216, 612976, 700544, 754432, 1225952, 1401088, 1508864, 2451904, 2802176, 4903808, 9807616, 19615232]

約数ペア:

[(1, 19615232), (2, 9807616), (4, 4903808), (7, 2802176), (8, 2451904), (13, 1508864), (14, 1401088), (16, 1225952), (26, 754432), (28, 700544), (32, 612976), (52, 377216), (56, 350272), (64, 306488), (91, 215552), (104, 188608), (112, 175136), (128, 153244), (182, 107776), (208, 94304), (224, 87568), (256, 76622), (364, 53888), (416, 47152), (421, 46592), (448, 43784), (512, 38311), (728, 26944), (832, 23576), (842, 23296), (896, 21892), (1456, 13472), (1664, 11788), (1684, 11648), (1792, 10946), (2912, 6736), (2947, 6656), (3328, 5894), (3368, 5824), (3584, 5473)]