18329775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 36

約数和(自身を含む): 32031432

約数和(自身を除く): 13701657

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 361, 475, 677, 1083, 1425, 1805, 2031, 3385, 5415, 9025, 10155, 12863, 16925, 27075, 38589, 50775, 64315, 192945, 244397, 321575, 733191, 964725, 1221985, 3665955, 6109925, 18329775]

約数ペア:

[(1, 18329775), (3, 6109925), (5, 3665955), (15, 1221985), (19, 964725), (25, 733191), (57, 321575), (75, 244397), (95, 192945), (285, 64315), (361, 50775), (475, 38589), (677, 27075), (1083, 16925), (1425, 12863), (1805, 10155), (2031, 9025), (3385, 5415)]