19637826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1129}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 42524160

約数和(自身を除く): 22886334

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 223, 446, 669, 1129, 1338, 2258, 2899, 3387, 5798, 6774, 8697, 14677, 17394, 29354, 44031, 88062, 251767, 503534, 755301, 1510602, 3272971, 6545942, 9818913, 19637826]

約数ペア:

[(1, 19637826), (2, 9818913), (3, 6545942), (6, 3272971), (13, 1510602), (26, 755301), (39, 503534), (78, 251767), (223, 88062), (446, 44031), (669, 29354), (1129, 17394), (1338, 14677), (2258, 8697), (2899, 6774), (3387, 5798)]