17919304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 32

約数和(自身を含む): 37033920

約数和(自身を除く): 19114616

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4007, 4472, 8014, 16028, 32056, 52091, 104182, 172301, 208364, 344602, 416728, 689204, 1378408, 2239913, 4479826, 8959652, 17919304]

約数ペア:

[(1, 17919304), (2, 8959652), (4, 4479826), (8, 2239913), (13, 1378408), (26, 689204), (43, 416728), (52, 344602), (86, 208364), (104, 172301), (172, 104182), (344, 52091), (559, 32056), (1118, 16028), (2236, 8014), (4007, 4472)]