19080945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 36014160

約数和(自身を除く): 16933215

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 193, 195, 507, 579, 585, 845, 965, 1521, 1737, 2197, 2509, 2535, 2895, 6591, 7527, 7605, 8685, 10985, 12545, 19773, 22581, 32617, 32955, 37635, 97851, 98865, 112905, 163085, 293553, 424021, 489255, 1272063, 1467765, 2120105, 3816189, 6360315, 19080945]

約数ペア:

[(1, 19080945), (3, 6360315), (5, 3816189), (9, 2120105), (13, 1467765), (15, 1272063), (39, 489255), (45, 424021), (65, 293553), (117, 163085), (169, 112905), (193, 98865), (195, 97851), (507, 37635), (579, 32955), (585, 32617), (845, 22581), (965, 19773), (1521, 12545), (1737, 10985), (2197, 8685), (2509, 7605), (2535, 7527), (2895, 6591)]