19602045

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 35650992

約数和(自身を除く): 16048947

約数列:

[1, 3, 5, 9, 15, 37, 45, 61, 111, 183, 185, 193, 305, 333, 549, 555, 579, 915, 965, 1665, 1737, 2257, 2745, 2895, 6771, 7141, 8685, 11285, 11773, 20313, 21423, 33855, 35319, 35705, 58865, 64269, 101565, 105957, 107115, 176595, 321345, 435601, 529785, 1306803, 2178005, 3920409, 6534015, 19602045]

約数ペア:

[(1, 19602045), (3, 6534015), (5, 3920409), (9, 2178005), (15, 1306803), (37, 529785), (45, 435601), (61, 321345), (111, 176595), (183, 107115), (185, 105957), (193, 101565), (305, 64269), (333, 58865), (549, 35705), (555, 35319), (579, 33855), (915, 21423), (965, 20313), (1665, 11773), (1737, 11285), (2257, 8685), (2745, 7141), (2895, 6771)]