19897346

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 36211968

約数和(自身を除く): 16314622

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1013, 1403, 2026, 2806, 7091, 9821, 14182, 19642, 23299, 46598, 61793, 123586, 163093, 326186, 432551, 865102, 1421239, 2842478, 9948673, 19897346]

約数ペア:

[(1, 19897346), (2, 9948673), (7, 2842478), (14, 1421239), (23, 865102), (46, 432551), (61, 326186), (122, 163093), (161, 123586), (322, 61793), (427, 46598), (854, 23299), (1013, 19642), (1403, 14182), (2026, 9821), (2806, 7091)]