19782345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1061}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 34867584

約数和(自身を除く): 15085239

約数列:

[1, 3, 5, 11, 15, 33, 55, 113, 165, 339, 565, 1061, 1243, 1695, 3183, 3729, 5305, 6215, 11671, 15915, 18645, 35013, 58355, 119893, 175065, 359679, 599465, 1318823, 1798395, 3956469, 6594115, 19782345]

約数ペア:

[(1, 19782345), (3, 6594115), (5, 3956469), (11, 1798395), (15, 1318823), (33, 599465), (55, 359679), (113, 175065), (165, 119893), (339, 58355), (565, 35013), (1061, 18645), (1243, 15915), (1695, 11671), (3183, 6215), (3729, 5305)]