18520474

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 14968166

約数列:

[1, 2, 7, 14, 23, 46, 113, 161, 226, 322, 509, 791, 1018, 1582, 2599, 3563, 5198, 7126, 11707, 18193, 23414, 36386, 57517, 81949, 115034, 163898, 402619, 805238, 1322891, 2645782, 9260237, 18520474]

約数ペア:

[(1, 18520474), (2, 9260237), (7, 2645782), (14, 1322891), (23, 805238), (46, 402619), (113, 163898), (161, 115034), (226, 81949), (322, 57517), (509, 36386), (791, 23414), (1018, 18193), (1582, 11707), (2599, 7126), (3563, 5198)]