18384860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 42938112

約数和(自身を除く): 24553252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2281, 4030, 4562, 8060, 9124, 11405, 22810, 29653, 45620, 59306, 70711, 118612, 141422, 148265, 282844, 296530, 353555, 593060, 707110, 919243, 1414220, 1838486, 3676972, 4596215, 9192430, 18384860]

約数ペア:

[(1, 18384860), (2, 9192430), (4, 4596215), (5, 3676972), (10, 1838486), (13, 1414220), (20, 919243), (26, 707110), (31, 593060), (52, 353555), (62, 296530), (65, 282844), (124, 148265), (130, 141422), (155, 118612), (260, 70711), (310, 59306), (403, 45620), (620, 29653), (806, 22810), (1612, 11405), (2015, 9124), (2281, 8060), (4030, 4562)]