18157048

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 42840000

約数和(自身を除く): 24682952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 509, 637, 686, 728, 1018, 1274, 1372, 2036, 2548, 2744, 3563, 4072, 4459, 5096, 6617, 7126, 8918, 13234, 14252, 17836, 24941, 26468, 28504, 35672, 46319, 49882, 52936, 92638, 99764, 174587, 185276, 199528, 324233, 349174, 370552, 648466, 698348, 1296932, 1396696, 2269631, 2593864, 4539262, 9078524, 18157048]

約数ペア:

[(1, 18157048), (2, 9078524), (4, 4539262), (7, 2593864), (8, 2269631), (13, 1396696), (14, 1296932), (26, 698348), (28, 648466), (49, 370552), (52, 349174), (56, 324233), (91, 199528), (98, 185276), (104, 174587), (182, 99764), (196, 92638), (343, 52936), (364, 49882), (392, 46319), (509, 35672), (637, 28504), (686, 26468), (728, 24941), (1018, 17836), (1274, 14252), (1372, 13234), (2036, 8918), (2548, 7126), (2744, 6617), (3563, 5096), (4072, 4459)]