18260896

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 38453184

約数和(自身を除く): 20192288

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 86, 92, 172, 184, 344, 368, 577, 688, 736, 989, 1154, 1376, 1978, 2308, 3956, 4616, 7912, 9232, 13271, 15824, 18464, 24811, 26542, 31648, 49622, 53084, 99244, 106168, 198488, 212336, 396976, 424672, 570653, 793952, 1141306, 2282612, 4565224, 9130448, 18260896]

約数ペア:

[(1, 18260896), (2, 9130448), (4, 4565224), (8, 2282612), (16, 1141306), (23, 793952), (32, 570653), (43, 424672), (46, 396976), (86, 212336), (92, 198488), (172, 106168), (184, 99244), (344, 53084), (368, 49622), (577, 31648), (688, 26542), (736, 24811), (989, 18464), (1154, 15824), (1376, 13271), (1978, 9232), (2308, 7912), (3956, 4616)]