19640344

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 38711520

約数和(自身を除く): 19071176

約数列:

[1, 2, 4, 8, 23, 46, 92, 173, 184, 346, 617, 692, 1234, 1384, 2468, 3979, 4936, 7958, 14191, 15916, 28382, 31832, 56764, 106741, 113528, 213482, 426964, 853928, 2455043, 4910086, 9820172, 19640344]

約数ペア:

[(1, 19640344), (2, 9820172), (4, 4910086), (8, 2455043), (23, 853928), (46, 426964), (92, 213482), (173, 113528), (184, 106741), (346, 56764), (617, 31832), (692, 28382), (1234, 15916), (1384, 14191), (2468, 7958), (3979, 4936)]