19619910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 51260976

約数和(自身を除く): 31641066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 277, 554, 787, 831, 1385, 1574, 1662, 2361, 2493, 2770, 3935, 4155, 4722, 4986, 7083, 7870, 8310, 11805, 12465, 14166, 23610, 24930, 35415, 70830, 217999, 435998, 653997, 1089995, 1307994, 1961991, 2179990, 3269985, 3923982, 6539970, 9809955, 19619910]

約数ペア:

[(1, 19619910), (2, 9809955), (3, 6539970), (5, 3923982), (6, 3269985), (9, 2179990), (10, 1961991), (15, 1307994), (18, 1089995), (30, 653997), (45, 435998), (90, 217999), (277, 70830), (554, 35415), (787, 24930), (831, 23610), (1385, 14166), (1574, 12465), (1662, 11805), (2361, 8310), (2493, 7870), (2770, 7083), (3935, 4986), (4155, 4722)]