18704655

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 33432000

約数和(自身を除く): 14727345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 397, 1047, 1191, 1745, 1985, 3141, 3573, 5235, 5955, 9423, 10719, 15705, 17865, 47115, 53595, 138553, 415659, 692765, 1246977, 2078295, 3740931, 6234885, 18704655]

約数ペア:

[(1, 18704655), (3, 6234885), (5, 3740931), (9, 2078295), (15, 1246977), (27, 692765), (45, 415659), (135, 138553), (349, 53595), (397, 47115), (1047, 17865), (1191, 15705), (1745, 10719), (1985, 9423), (3141, 5955), (3573, 5235)]