18834662

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 38223360

約数和(自身を除く): 19388698

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 41, 77, 82, 133, 154, 157, 209, 266, 287, 314, 418, 451, 574, 779, 902, 1099, 1463, 1558, 1727, 2198, 2926, 2983, 3157, 3454, 5453, 5966, 6314, 6437, 8569, 10906, 12089, 12874, 17138, 20881, 24178, 32813, 41762, 45059, 59983, 65626, 70807, 90118, 119966, 122303, 141614, 229691, 244606, 459382, 495649, 856121, 991298, 1345333, 1712242, 2690666, 9417331, 18834662]

約数ペア:

[(1, 18834662), (2, 9417331), (7, 2690666), (11, 1712242), (14, 1345333), (19, 991298), (22, 856121), (38, 495649), (41, 459382), (77, 244606), (82, 229691), (133, 141614), (154, 122303), (157, 119966), (209, 90118), (266, 70807), (287, 65626), (314, 59983), (418, 45059), (451, 41762), (574, 32813), (779, 24178), (902, 20881), (1099, 17138), (1463, 12874), (1558, 12089), (1727, 10906), (2198, 8569), (2926, 6437), (2983, 6314), (3157, 5966), (3454, 5453)]