18387537

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 29356800

約数和(自身を除く): 10969263

約数列:

[1, 3, 7, 21, 29, 87, 109, 203, 277, 327, 609, 763, 831, 1939, 2289, 3161, 5817, 8033, 9483, 22127, 24099, 30193, 56231, 66381, 90579, 168693, 211351, 634053, 875597, 2626791, 6129179, 18387537]

約数ペア:

[(1, 18387537), (3, 6129179), (7, 2626791), (21, 875597), (29, 634053), (87, 211351), (109, 168693), (203, 90579), (277, 66381), (327, 56231), (609, 30193), (763, 24099), (831, 22127), (1939, 9483), (2289, 8033), (3161, 5817)]