19439595

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6857}}^1$

素因数の和:6881

約数の個数: 40

約数和(自身を含む): 39831264

約数和(自身を除く): 20391669

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6857, 20571, 34285, 47999, 61713, 102855, 143997, 185139, 239995, 308565, 431991, 555417, 719985, 925695, 1295973, 2159955, 2777085, 3887919, 6479865, 19439595]

約数ペア:

[(1, 19439595), (3, 6479865), (5, 3887919), (7, 2777085), (9, 2159955), (15, 1295973), (21, 925695), (27, 719985), (35, 555417), (45, 431991), (63, 308565), (81, 239995), (105, 185139), (135, 143997), (189, 102855), (315, 61713), (405, 47999), (567, 34285), (945, 20571), (2835, 6857)]