18618928

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40127}}^1$

素因数の和:40164

約数の個数: 20

約数和(自身を含む): 37319040

約数和(自身を除く): 18700112

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40127, 80254, 160508, 321016, 642032, 1163683, 2327366, 4654732, 9309464, 18618928]

約数ペア:

[(1, 18618928), (2, 9309464), (4, 4654732), (8, 2327366), (16, 1163683), (29, 642032), (58, 321016), (116, 160508), (232, 80254), (464, 40127)]