19690766145

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2391107}}^1$

素因数の和:2391182

約数の個数: 32

約数和(自身を含む): 35579687040

約数和(自身を除く): 15888920895

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 2391107, 7173321, 11955535, 21519963, 35866605, 64559889, 107599815, 145857527, 322799445, 437572581, 729287635, 1312717743, 2187862905, 3938153229, 6563588715, 19690766145]

約数ペア:

[(1, 19690766145), (3, 6563588715), (5, 3938153229), (9, 2187862905), (15, 1312717743), (27, 729287635), (45, 437572581), (61, 322799445), (135, 145857527), (183, 107599815), (305, 64559889), (549, 35866605), (915, 21519963), (1647, 11955535), (2745, 7173321), (8235, 2391107)]