19284993

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 16841727

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 63, 91, 117, 141, 167, 189, 273, 329, 351, 423, 501, 611, 819, 987, 1169, 1269, 1503, 1833, 2171, 2457, 2961, 3507, 4277, 4509, 5499, 6513, 7849, 8883, 10521, 12831, 15197, 16497, 19539, 23547, 31563, 38493, 45591, 54943, 58617, 70641, 102037, 115479, 136773, 164829, 211923, 306111, 410319, 494487, 714259, 918333, 1483461, 2142777, 2754999, 6428331, 19284993]

約数ペア:

[(1, 19284993), (3, 6428331), (7, 2754999), (9, 2142777), (13, 1483461), (21, 918333), (27, 714259), (39, 494487), (47, 410319), (63, 306111), (91, 211923), (117, 164829), (141, 136773), (167, 115479), (189, 102037), (273, 70641), (329, 58617), (351, 54943), (423, 45591), (501, 38493), (611, 31563), (819, 23547), (987, 19539), (1169, 16497), (1269, 15197), (1503, 12831), (1833, 10521), (2171, 8883), (2457, 7849), (2961, 6513), (3507, 5499), (4277, 4509)]