18919035

素因数分解:

$3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 33814080

約数和(自身を除く): 14895045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 353, 397, 1059, 1191, 1765, 1985, 3177, 3573, 5295, 5955, 9531, 10719, 15885, 17865, 47655, 53595, 140141, 420423, 700705, 1261269, 2102115, 3783807, 6306345, 18919035]

約数ペア:

[(1, 18919035), (3, 6306345), (5, 3783807), (9, 2102115), (15, 1261269), (27, 700705), (45, 420423), (135, 140141), (353, 53595), (397, 47655), (1059, 17865), (1191, 15885), (1765, 10719), (1985, 9531), (3177, 5955), (3573, 5295)]