19757296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 43099672

約数和(自身を除く): 23342376

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 47, 52, 86, 94, 104, 172, 188, 208, 344, 376, 559, 611, 688, 752, 1118, 1222, 2021, 2209, 2236, 2444, 4042, 4418, 4472, 4888, 8084, 8836, 8944, 9776, 16168, 17672, 26273, 28717, 32336, 35344, 52546, 57434, 94987, 105092, 114868, 189974, 210184, 229736, 379948, 420368, 459472, 759896, 1234831, 1519792, 2469662, 4939324, 9878648, 19757296]

約数ペア:

[(1, 19757296), (2, 9878648), (4, 4939324), (8, 2469662), (13, 1519792), (16, 1234831), (26, 759896), (43, 459472), (47, 420368), (52, 379948), (86, 229736), (94, 210184), (104, 189974), (172, 114868), (188, 105092), (208, 94987), (344, 57434), (376, 52546), (559, 35344), (611, 32336), (688, 28717), (752, 26273), (1118, 17672), (1222, 16168), (2021, 9776), (2209, 8944), (2236, 8836), (2444, 8084), (4042, 4888), (4418, 4472)]