19739790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31333}}^1$

素因数の和:31353

約数の個数: 48

約数和(自身を含む): 58657248

約数和(自身を除く): 38917458

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31333, 62666, 93999, 156665, 187998, 219331, 281997, 313330, 438662, 469995, 563994, 657993, 939990, 1096655, 1315986, 1409985, 1973979, 2193310, 2819970, 3289965, 3947958, 6579930, 9869895, 19739790]

約数ペア:

[(1, 19739790), (2, 9869895), (3, 6579930), (5, 3947958), (6, 3289965), (7, 2819970), (9, 2193310), (10, 1973979), (14, 1409985), (15, 1315986), (18, 1096655), (21, 939990), (30, 657993), (35, 563994), (42, 469995), (45, 438662), (63, 313330), (70, 281997), (90, 219331), (105, 187998), (126, 156665), (210, 93999), (315, 62666), (630, 31333)]