19995464

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 39363840

約数和(自身を除く): 19368376

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 271, 401, 542, 802, 1084, 1604, 2168, 3208, 6233, 9223, 12466, 18446, 24932, 36892, 49864, 73784, 108671, 217342, 434684, 869368, 2499433, 4998866, 9997732, 19995464]

約数ペア:

[(1, 19995464), (2, 9997732), (4, 4998866), (8, 2499433), (23, 869368), (46, 434684), (92, 217342), (184, 108671), (271, 73784), (401, 49864), (542, 36892), (802, 24932), (1084, 18446), (1604, 12466), (2168, 9223), (3208, 6233)]