18763785

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 33644160

約数和(自身を除く): 14880375

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1061, 1179, 1965, 3183, 3537, 5305, 5895, 9549, 15915, 17685, 28647, 47745, 138991, 143235, 416973, 694955, 1250919, 2084865, 3752757, 6254595, 18763785]

約数ペア:

[(1, 18763785), (3, 6254595), (5, 3752757), (9, 2084865), (15, 1250919), (27, 694955), (45, 416973), (131, 143235), (135, 138991), (393, 47745), (655, 28647), (1061, 17685), (1179, 15915), (1965, 9549), (3183, 5895), (3537, 5305)]