19782254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 33638976

約数和(自身を除く): 13856722

約数列:

[1, 2, 17, 23, 34, 41, 46, 82, 391, 617, 697, 782, 943, 1234, 1394, 1886, 10489, 14191, 16031, 20978, 25297, 28382, 32062, 50594, 241247, 430049, 482494, 581831, 860098, 1163662, 9891127, 19782254]

約数ペア:

[(1, 19782254), (2, 9891127), (17, 1163662), (23, 860098), (34, 581831), (41, 482494), (46, 430049), (82, 241247), (391, 50594), (617, 32062), (697, 28382), (782, 25297), (943, 20978), (1234, 16031), (1394, 14191), (1886, 10489)]