18627882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 46421760

約数和(自身を除く): 27793878

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 109, 182, 218, 273, 313, 327, 546, 626, 654, 763, 939, 1417, 1526, 1878, 2191, 2289, 2834, 4069, 4251, 4382, 4578, 6573, 8138, 8502, 9919, 12207, 13146, 19838, 24414, 28483, 29757, 34117, 56966, 59514, 68234, 85449, 102351, 170898, 204702, 238819, 443521, 477638, 716457, 887042, 1330563, 1432914, 2661126, 3104647, 6209294, 9313941, 18627882]

約数ペア:

[(1, 18627882), (2, 9313941), (3, 6209294), (6, 3104647), (7, 2661126), (13, 1432914), (14, 1330563), (21, 887042), (26, 716457), (39, 477638), (42, 443521), (78, 238819), (91, 204702), (109, 170898), (182, 102351), (218, 85449), (273, 68234), (313, 59514), (327, 56966), (546, 34117), (626, 29757), (654, 28483), (763, 24414), (939, 19838), (1417, 13146), (1526, 12207), (1878, 9919), (2191, 8502), (2289, 8138), (2834, 6573), (4069, 4578), (4251, 4382)]