18909336

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 30321384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 73, 86, 129, 146, 172, 219, 251, 258, 292, 344, 438, 502, 516, 584, 753, 876, 1004, 1032, 1506, 1752, 2008, 3012, 3139, 6024, 6278, 9417, 10793, 12556, 18323, 18834, 21586, 25112, 32379, 36646, 37668, 43172, 54969, 64758, 73292, 75336, 86344, 109938, 129516, 146584, 219876, 259032, 439752, 787889, 1575778, 2363667, 3151556, 4727334, 6303112, 9454668, 18909336]

約数ペア:

[(1, 18909336), (2, 9454668), (3, 6303112), (4, 4727334), (6, 3151556), (8, 2363667), (12, 1575778), (24, 787889), (43, 439752), (73, 259032), (86, 219876), (129, 146584), (146, 129516), (172, 109938), (219, 86344), (251, 75336), (258, 73292), (292, 64758), (344, 54969), (438, 43172), (502, 37668), (516, 36646), (584, 32379), (753, 25112), (876, 21586), (1004, 18834), (1032, 18323), (1506, 12556), (1752, 10793), (2008, 9417), (3012, 6278), (3139, 6024)]