18610878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 25741122

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 109, 143, 199, 218, 286, 327, 398, 429, 597, 654, 858, 1194, 1199, 1417, 2189, 2398, 2587, 2834, 3597, 4251, 4378, 5174, 6567, 7194, 7761, 8502, 13134, 15522, 15587, 21691, 28457, 31174, 43382, 46761, 56914, 65073, 85371, 93522, 130146, 170742, 238601, 281983, 477202, 563966, 715803, 845949, 1431606, 1691898, 3101813, 6203626, 9305439, 18610878]

約数ペア:

[(1, 18610878), (2, 9305439), (3, 6203626), (6, 3101813), (11, 1691898), (13, 1431606), (22, 845949), (26, 715803), (33, 563966), (39, 477202), (66, 281983), (78, 238601), (109, 170742), (143, 130146), (199, 93522), (218, 85371), (286, 65073), (327, 56914), (398, 46761), (429, 43382), (597, 31174), (654, 28457), (858, 21691), (1194, 15587), (1199, 15522), (1417, 13134), (2189, 8502), (2398, 7761), (2587, 7194), (2834, 6567), (3597, 5174), (4251, 4378)]