19745895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 34372800

約数和(自身を除く): 14626905

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 929, 1417, 1635, 2787, 4251, 4645, 7085, 12077, 13935, 21255, 36231, 60385, 101261, 181155, 303783, 506305, 1316393, 1518915, 3949179, 6581965, 19745895]

約数ペア:

[(1, 19745895), (3, 6581965), (5, 3949179), (13, 1518915), (15, 1316393), (39, 506305), (65, 303783), (109, 181155), (195, 101261), (327, 60385), (545, 36231), (929, 21255), (1417, 13935), (1635, 12077), (2787, 7085), (4251, 4645)]