19499296

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 20949728

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 383, 592, 688, 766, 1184, 1376, 1532, 1591, 3064, 3182, 6128, 6364, 12256, 12728, 14171, 16469, 25456, 28342, 32938, 50912, 56684, 65876, 113368, 131752, 226736, 263504, 453472, 527008, 609353, 1218706, 2437412, 4874824, 9749648, 19499296]

約数ペア:

[(1, 19499296), (2, 9749648), (4, 4874824), (8, 2437412), (16, 1218706), (32, 609353), (37, 527008), (43, 453472), (74, 263504), (86, 226736), (148, 131752), (172, 113368), (296, 65876), (344, 56684), (383, 50912), (592, 32938), (688, 28342), (766, 25456), (1184, 16469), (1376, 14171), (1532, 12728), (1591, 12256), (3064, 6364), (3182, 6128)]