19755765

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2399}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 15956235

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2399, 2745, 7197, 8235, 11995, 21591, 35985, 64773, 107955, 146339, 323865, 439017, 731695, 1317051, 2195085, 3951153, 6585255, 19755765]

約数ペア:

[(1, 19755765), (3, 6585255), (5, 3951153), (9, 2195085), (15, 1317051), (27, 731695), (45, 439017), (61, 323865), (135, 146339), (183, 107955), (305, 64773), (549, 35985), (915, 21591), (1647, 11995), (2399, 8235), (2745, 7197)]