18823077

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 35266560

約数和(自身を除く): 16443483

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 63, 91, 117, 141, 163, 189, 273, 329, 351, 423, 489, 611, 819, 987, 1141, 1269, 1467, 1833, 2119, 2457, 2961, 3423, 4277, 4401, 5499, 6357, 7661, 8883, 10269, 12831, 14833, 16497, 19071, 22983, 30807, 38493, 44499, 53627, 57213, 68949, 99593, 115479, 133497, 160881, 206847, 298779, 400491, 482643, 697151, 896337, 1447929, 2091453, 2689011, 6274359, 18823077]

約数ペア:

[(1, 18823077), (3, 6274359), (7, 2689011), (9, 2091453), (13, 1447929), (21, 896337), (27, 697151), (39, 482643), (47, 400491), (63, 298779), (91, 206847), (117, 160881), (141, 133497), (163, 115479), (189, 99593), (273, 68949), (329, 57213), (351, 53627), (423, 44499), (489, 38493), (611, 30807), (819, 22983), (987, 19071), (1141, 16497), (1269, 14833), (1467, 12831), (1833, 10269), (2119, 8883), (2457, 7661), (2961, 6357), (3423, 5499), (4277, 4401)]