19982646

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 44707680

約数和(自身を除く): 24725034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2357, 2826, 4239, 4714, 7071, 8478, 14142, 21213, 42426, 63639, 127278, 370049, 740098, 1110147, 2220294, 3330441, 6660882, 9991323, 19982646]

約数ペア:

[(1, 19982646), (2, 9991323), (3, 6660882), (6, 3330441), (9, 2220294), (18, 1110147), (27, 740098), (54, 370049), (157, 127278), (314, 63639), (471, 42426), (942, 21213), (1413, 14142), (2357, 8478), (2826, 7071), (4239, 4714)]