19887088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4201

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 23422640

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4157, 4784, 8314, 16628, 33256, 54041, 66512, 95611, 108082, 191222, 216164, 382444, 432328, 764888, 864656, 1242943, 1529776, 2485886, 4971772, 9943544, 19887088]

約数ペア:

[(1, 19887088), (2, 9943544), (4, 4971772), (8, 2485886), (13, 1529776), (16, 1242943), (23, 864656), (26, 764888), (46, 432328), (52, 382444), (92, 216164), (104, 191222), (184, 108082), (208, 95611), (299, 66512), (368, 54041), (598, 33256), (1196, 16628), (2392, 8314), (4157, 4784)]