19267227

素因数分解:

$3^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 33825792

約数和(自身を除く): 14558565

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 241, 243, 329, 423, 567, 723, 987, 1269, 1687, 1701, 2169, 2961, 3807, 5061, 6507, 8883, 11327, 11421, 15183, 19521, 26649, 33981, 45549, 58563, 79289, 79947, 101943, 136647, 237867, 305829, 409941, 713601, 917487, 2140803, 2752461, 6422409, 19267227]

約数ペア:

[(1, 19267227), (3, 6422409), (7, 2752461), (9, 2140803), (21, 917487), (27, 713601), (47, 409941), (63, 305829), (81, 237867), (141, 136647), (189, 101943), (241, 79947), (243, 79289), (329, 58563), (423, 45549), (567, 33981), (723, 26649), (987, 19521), (1269, 15183), (1687, 11421), (1701, 11327), (2169, 8883), (2961, 6507), (3807, 5061)]