19584585

素因数分解:

$3^9\times 5^1\times {\mathrm{199}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 35428800

約数和(自身を除く): 15844215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 243, 405, 597, 729, 995, 1215, 1791, 2187, 2985, 3645, 5373, 6561, 8955, 10935, 16119, 19683, 26865, 32805, 48357, 80595, 98415, 145071, 241785, 435213, 725355, 1305639, 2176065, 3916917, 6528195, 19584585]

約数ペア:

[(1, 19584585), (3, 6528195), (5, 3916917), (9, 2176065), (15, 1305639), (27, 725355), (45, 435213), (81, 241785), (135, 145071), (199, 98415), (243, 80595), (405, 48357), (597, 32805), (729, 26865), (995, 19683), (1215, 16119), (1791, 10935), (2187, 8955), (2985, 6561), (3645, 5373)]