19748223

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4639}}^1$

素因数の和:4699

約数の個数: 24

約数和(自身を含む): 31848960

約数和(自身を除く): 12100737

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4639, 13917, 41751, 51029, 153087, 199477, 459261, 598431, 1795293, 2194247, 6582741, 19748223]

約数ペア:

[(1, 19748223), (3, 6582741), (9, 2194247), (11, 1795293), (33, 598431), (43, 459261), (99, 199477), (129, 153087), (387, 51029), (473, 41751), (1419, 13917), (4257, 4639)]