18997888

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 47616660

約数和(自身を除く): 28618772

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 233, 364, 392, 416, 448, 466, 637, 728, 784, 832, 896, 932, 1274, 1456, 1568, 1631, 1664, 1864, 2548, 2912, 3029, 3136, 3262, 3728, 5096, 5824, 6058, 6272, 6524, 7456, 10192, 11417, 11648, 12116, 13048, 14912, 20384, 21203, 22834, 24232, 26096, 29824, 40768, 42406, 45668, 48464, 52192, 81536, 84812, 91336, 96928, 104384, 148421, 169624, 182672, 193856, 208768, 296842, 339248, 365344, 387712, 593684, 678496, 730688, 1187368, 1356992, 1461376, 2374736, 2713984, 4749472, 9498944, 18997888]

約数ペア:

[(1, 18997888), (2, 9498944), (4, 4749472), (7, 2713984), (8, 2374736), (13, 1461376), (14, 1356992), (16, 1187368), (26, 730688), (28, 678496), (32, 593684), (49, 387712), (52, 365344), (56, 339248), (64, 296842), (91, 208768), (98, 193856), (104, 182672), (112, 169624), (128, 148421), (182, 104384), (196, 96928), (208, 91336), (224, 84812), (233, 81536), (364, 52192), (392, 48464), (416, 45668), (448, 42406), (466, 40768), (637, 29824), (728, 26096), (784, 24232), (832, 22834), (896, 21203), (932, 20384), (1274, 14912), (1456, 13048), (1568, 12116), (1631, 11648), (1664, 11417), (1864, 10192), (2548, 7456), (2912, 6524), (3029, 6272), (3136, 6058), (3262, 5824), (3728, 5096)]