1993784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 4242000

約数和(自身を除く): 2248216

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1009, 1976, 2018, 4036, 8072, 13117, 19171, 26234, 38342, 52468, 76684, 104936, 153368, 249223, 498446, 996892, 1993784]

約数ペア:

[(1, 1993784), (2, 996892), (4, 498446), (8, 249223), (13, 153368), (19, 104936), (26, 76684), (38, 52468), (52, 38342), (76, 26234), (104, 19171), (152, 13117), (247, 8072), (494, 4036), (988, 2018), (1009, 1976)]