18928755

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4568

約数の個数: 32

約数和(自身を含む): 34744320

約数和(自身を除く): 15815565

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4523, 13569, 22615, 40707, 67845, 122121, 140213, 203535, 420639, 610605, 701065, 1261917, 2103195, 3785751, 6309585, 18928755]

約数ペア:

[(1, 18928755), (3, 6309585), (5, 3785751), (9, 2103195), (15, 1261917), (27, 701065), (31, 610605), (45, 420639), (93, 203535), (135, 140213), (155, 122121), (279, 67845), (465, 40707), (837, 22615), (1395, 13569), (4185, 4523)]