18607408

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 37162800

約数和(自身を除く): 18555392

約数列:

[1, 2, 4, 8, 16, 73, 89, 146, 178, 179, 292, 356, 358, 584, 712, 716, 1168, 1424, 1432, 2864, 6497, 12994, 13067, 15931, 25988, 26134, 31862, 51976, 52268, 63724, 103952, 104536, 127448, 209072, 254896, 1162963, 2325926, 4651852, 9303704, 18607408]

約数ペア:

[(1, 18607408), (2, 9303704), (4, 4651852), (8, 2325926), (16, 1162963), (73, 254896), (89, 209072), (146, 127448), (178, 104536), (179, 103952), (292, 63724), (356, 52268), (358, 51976), (584, 31862), (712, 26134), (716, 25988), (1168, 15931), (1424, 13067), (1432, 12994), (2864, 6497)]