18673984

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 56

約数和(自身を含む): 43005248

約数和(自身を除く): 24331264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 571, 584, 1022, 1142, 1168, 2044, 2284, 2336, 3997, 4088, 4568, 4672, 7994, 8176, 9136, 15988, 16352, 18272, 31976, 32704, 36544, 41683, 63952, 83366, 127904, 166732, 255808, 291781, 333464, 583562, 666928, 1167124, 1333856, 2334248, 2667712, 4668496, 9336992, 18673984]

約数ペア:

[(1, 18673984), (2, 9336992), (4, 4668496), (7, 2667712), (8, 2334248), (14, 1333856), (16, 1167124), (28, 666928), (32, 583562), (56, 333464), (64, 291781), (73, 255808), (112, 166732), (146, 127904), (224, 83366), (292, 63952), (448, 41683), (511, 36544), (571, 32704), (584, 31976), (1022, 18272), (1142, 16352), (1168, 15988), (2044, 9136), (2284, 8176), (2336, 7994), (3997, 4672), (4088, 4568)]