18465412

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 39336192

約数和(自身を除く): 20870780

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 541, 644, 742, 1082, 1219, 1484, 2164, 2438, 3787, 4876, 7574, 8533, 12443, 15148, 17066, 24886, 28673, 34132, 49772, 57346, 87101, 114692, 174202, 200711, 348404, 401422, 659479, 802844, 1318958, 2637916, 4616353, 9232706, 18465412]

約数ペア:

[(1, 18465412), (2, 9232706), (4, 4616353), (7, 2637916), (14, 1318958), (23, 802844), (28, 659479), (46, 401422), (53, 348404), (92, 200711), (106, 174202), (161, 114692), (212, 87101), (322, 57346), (371, 49772), (541, 34132), (644, 28673), (742, 24886), (1082, 17066), (1219, 15148), (1484, 12443), (2164, 8533), (2438, 7574), (3787, 4876)]