19376258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 33436800

約数和(自身を除く): 14060542

約数列:

[1, 2, 11, 22, 23, 46, 149, 253, 257, 298, 506, 514, 1639, 2827, 3278, 3427, 5654, 5911, 6854, 11822, 37697, 38293, 65021, 75394, 76586, 130042, 421223, 842446, 880739, 1761478, 9688129, 19376258]

約数ペア:

[(1, 19376258), (2, 9688129), (11, 1761478), (22, 880739), (23, 842446), (46, 421223), (149, 130042), (253, 76586), (257, 75394), (298, 65021), (506, 38293), (514, 37697), (1639, 11822), (2827, 6854), (3278, 5911), (3427, 5654)]