19681408

素因数分解:

$2^7\times {\mathrm{179}}^1\times {\mathrm{859}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 39474000

約数和(自身を除く): 19792592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 358, 716, 859, 1432, 1718, 2864, 3436, 5728, 6872, 11456, 13744, 22912, 27488, 54976, 109952, 153761, 307522, 615044, 1230088, 2460176, 4920352, 9840704, 19681408]

約数ペア:

[(1, 19681408), (2, 9840704), (4, 4920352), (8, 2460176), (16, 1230088), (32, 615044), (64, 307522), (128, 153761), (179, 109952), (358, 54976), (716, 27488), (859, 22912), (1432, 13744), (1718, 11456), (2864, 6872), (3436, 5728)]