19456983

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7948

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 16024617

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7919, 23757, 55433, 71271, 102947, 166299, 213813, 308841, 498897, 720629, 926523, 1496691, 2161887, 2779569, 6485661, 19456983]

約数ペア:

[(1, 19456983), (3, 6485661), (7, 2779569), (9, 2161887), (13, 1496691), (21, 926523), (27, 720629), (39, 498897), (63, 308841), (91, 213813), (117, 166299), (189, 102947), (273, 71271), (351, 55433), (819, 23757), (2457, 7919)]