18910784

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 56

約数和(自身を含む): 40599360

約数和(自身を除く): 21688576

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 64, 92, 116, 184, 232, 368, 443, 464, 667, 736, 886, 928, 1334, 1472, 1772, 1856, 2668, 3544, 5336, 7088, 10189, 10672, 12847, 14176, 20378, 21344, 25694, 28352, 40756, 42688, 51388, 81512, 102776, 163024, 205552, 295481, 326048, 411104, 590962, 652096, 822208, 1181924, 2363848, 4727696, 9455392, 18910784]

約数ペア:

[(1, 18910784), (2, 9455392), (4, 4727696), (8, 2363848), (16, 1181924), (23, 822208), (29, 652096), (32, 590962), (46, 411104), (58, 326048), (64, 295481), (92, 205552), (116, 163024), (184, 102776), (232, 81512), (368, 51388), (443, 42688), (464, 40756), (667, 28352), (736, 25694), (886, 21344), (928, 20378), (1334, 14176), (1472, 12847), (1772, 10672), (1856, 10189), (2668, 7088), (3544, 5336)]