19938816

素因数分解:

$2^9\times 3^2\times {\mathrm{4327}}^1$

素因数の和:4351

約数の個数: 60

約数和(自身を含む): 57558072

約数和(自身を除く): 37619256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4327, 4608, 8654, 12981, 17308, 25962, 34616, 38943, 51924, 69232, 77886, 103848, 138464, 155772, 207696, 276928, 311544, 415392, 553856, 623088, 830784, 1107712, 1246176, 1661568, 2215424, 2492352, 3323136, 4984704, 6646272, 9969408, 19938816]

約数ペア:

[(1, 19938816), (2, 9969408), (3, 6646272), (4, 4984704), (6, 3323136), (8, 2492352), (9, 2215424), (12, 1661568), (16, 1246176), (18, 1107712), (24, 830784), (32, 623088), (36, 553856), (48, 415392), (64, 311544), (72, 276928), (96, 207696), (128, 155772), (144, 138464), (192, 103848), (256, 77886), (288, 69232), (384, 51924), (512, 38943), (576, 34616), (768, 25962), (1152, 17308), (1536, 12981), (2304, 8654), (4327, 4608)]