19006004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18249676

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 83, 92, 131, 166, 262, 332, 437, 524, 874, 1577, 1748, 1909, 2489, 3013, 3154, 3818, 4978, 6026, 6308, 7636, 9956, 10873, 12052, 21746, 36271, 43492, 57247, 72542, 114494, 145084, 206587, 228988, 250079, 413174, 500158, 826348, 1000316, 4751501, 9503002, 19006004]

約数ペア:

[(1, 19006004), (2, 9503002), (4, 4751501), (19, 1000316), (23, 826348), (38, 500158), (46, 413174), (76, 250079), (83, 228988), (92, 206587), (131, 145084), (166, 114494), (262, 72542), (332, 57247), (437, 43492), (524, 36271), (874, 21746), (1577, 12052), (1748, 10873), (1909, 9956), (2489, 7636), (3013, 6308), (3154, 6026), (3818, 4978)]