19058816

素因数分解:

$2^7\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25005184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 239, 356, 448, 478, 623, 712, 896, 956, 1246, 1424, 1673, 1912, 2492, 2848, 3346, 3824, 4984, 5696, 6692, 7648, 9968, 11392, 13384, 15296, 19936, 21271, 26768, 30592, 39872, 42542, 53536, 79744, 85084, 107072, 148897, 170168, 214144, 297794, 340336, 595588, 680672, 1191176, 1361344, 2382352, 2722688, 4764704, 9529408, 19058816]

約数ペア:

[(1, 19058816), (2, 9529408), (4, 4764704), (7, 2722688), (8, 2382352), (14, 1361344), (16, 1191176), (28, 680672), (32, 595588), (56, 340336), (64, 297794), (89, 214144), (112, 170168), (128, 148897), (178, 107072), (224, 85084), (239, 79744), (356, 53536), (448, 42542), (478, 39872), (623, 30592), (712, 26768), (896, 21271), (956, 19936), (1246, 15296), (1424, 13384), (1673, 11392), (1912, 9968), (2492, 7648), (2848, 6692), (3346, 5696), (3824, 4984)]