19171552

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 39720240

約数和(自身を除く): 20548688

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 73, 116, 146, 232, 283, 292, 464, 566, 584, 928, 1132, 1168, 2117, 2264, 2336, 4234, 4528, 8207, 8468, 9056, 16414, 16936, 20659, 32828, 33872, 41318, 65656, 67744, 82636, 131312, 165272, 262624, 330544, 599111, 661088, 1198222, 2396444, 4792888, 9585776, 19171552]

約数ペア:

[(1, 19171552), (2, 9585776), (4, 4792888), (8, 2396444), (16, 1198222), (29, 661088), (32, 599111), (58, 330544), (73, 262624), (116, 165272), (146, 131312), (232, 82636), (283, 67744), (292, 65656), (464, 41318), (566, 33872), (584, 32828), (928, 20659), (1132, 16936), (1168, 16414), (2117, 9056), (2264, 8468), (2336, 8207), (4234, 4528)]