18757984

素因数分解:

$2^5\times 7^3\times {\mathrm{1709}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 24334016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1709, 2744, 3418, 5488, 6836, 10976, 11963, 13672, 23926, 27344, 47852, 54688, 83741, 95704, 167482, 191408, 334964, 382816, 586187, 669928, 1172374, 1339856, 2344748, 2679712, 4689496, 9378992, 18757984]

約数ペア:

[(1, 18757984), (2, 9378992), (4, 4689496), (7, 2679712), (8, 2344748), (14, 1339856), (16, 1172374), (28, 669928), (32, 586187), (49, 382816), (56, 334964), (98, 191408), (112, 167482), (196, 95704), (224, 83741), (343, 54688), (392, 47852), (686, 27344), (784, 23926), (1372, 13672), (1568, 11963), (1709, 10976), (2744, 6836), (3418, 5488)]