19915082013

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1\times {\mathrm{3853}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 27939711744

約数和(自身を除く): 8024629731

約数列:

[1, 3, 23, 69, 173, 433, 519, 1299, 3853, 3979, 9959, 11559, 11937, 29877, 74909, 88619, 224727, 265857, 666569, 1668349, 1722907, 1999707, 5005047, 5168721, 15331087, 38372027, 45993261, 115116081, 288624377, 865873131, 6638360671, 19915082013]

約数ペア:

[(1, 19915082013), (3, 6638360671), (23, 865873131), (69, 288624377), (173, 115116081), (433, 45993261), (519, 38372027), (1299, 15331087), (3853, 5168721), (3979, 5005047), (9959, 1999707), (11559, 1722907), (11937, 1668349), (29877, 666569), (74909, 265857), (88619, 224727)]