19789504

素因数分解:

$2^6\times 7^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 56

約数和(自身を含む): 45321728

約数和(自身を除く): 25532224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 163, 224, 271, 326, 448, 542, 652, 1084, 1141, 1304, 1897, 2168, 2282, 2608, 3794, 4336, 4564, 5216, 7588, 8672, 9128, 10432, 15176, 17344, 18256, 30352, 36512, 44173, 60704, 73024, 88346, 121408, 176692, 309211, 353384, 618422, 706768, 1236844, 1413536, 2473688, 2827072, 4947376, 9894752, 19789504]

約数ペア:

[(1, 19789504), (2, 9894752), (4, 4947376), (7, 2827072), (8, 2473688), (14, 1413536), (16, 1236844), (28, 706768), (32, 618422), (56, 353384), (64, 309211), (112, 176692), (163, 121408), (224, 88346), (271, 73024), (326, 60704), (448, 44173), (542, 36512), (652, 30352), (1084, 18256), (1141, 17344), (1304, 15176), (1897, 10432), (2168, 9128), (2282, 8672), (2608, 7588), (3794, 5216), (4336, 4564)]