18842944

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 56

約数和(自身を含む): 39428928

約数和(自身を除く): 20585984

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 164, 167, 172, 328, 334, 344, 656, 668, 688, 1312, 1336, 1376, 1763, 2624, 2672, 2752, 3526, 5344, 6847, 7052, 7181, 10688, 13694, 14104, 14362, 27388, 28208, 28724, 54776, 56416, 57448, 109552, 112832, 114896, 219104, 229792, 294421, 438208, 459584, 588842, 1177684, 2355368, 4710736, 9421472, 18842944]

約数ペア:

[(1, 18842944), (2, 9421472), (4, 4710736), (8, 2355368), (16, 1177684), (32, 588842), (41, 459584), (43, 438208), (64, 294421), (82, 229792), (86, 219104), (164, 114896), (167, 112832), (172, 109552), (328, 57448), (334, 56416), (344, 54776), (656, 28724), (668, 28208), (688, 27388), (1312, 14362), (1336, 14104), (1376, 13694), (1763, 10688), (2624, 7181), (2672, 7052), (2752, 6847), (3526, 5344)]