19929776

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 41616384

約数和(自身を除く): 21686608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1747, 2852, 3494, 5704, 6988, 11408, 13976, 27952, 40181, 54157, 80362, 108314, 160724, 216628, 321448, 433256, 642896, 866512, 1245611, 2491222, 4982444, 9964888, 19929776]

約数ペア:

[(1, 19929776), (2, 9964888), (4, 4982444), (8, 2491222), (16, 1245611), (23, 866512), (31, 642896), (46, 433256), (62, 321448), (92, 216628), (124, 160724), (184, 108314), (248, 80362), (368, 54157), (496, 40181), (713, 27952), (1426, 13976), (1747, 11408), (2852, 6988), (3494, 5704)]