19155555

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3019}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 34790400

約数和(自身を除く): 15634845

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3019, 6345, 9057, 15095, 27171, 45285, 81513, 135855, 141893, 407565, 425679, 709465, 1277037, 2128395, 3831111, 6385185, 19155555]

約数ペア:

[(1, 19155555), (3, 6385185), (5, 3831111), (9, 2128395), (15, 1277037), (27, 709465), (45, 425679), (47, 407565), (135, 141893), (141, 135855), (235, 81513), (423, 45285), (705, 27171), (1269, 15095), (2115, 9057), (3019, 6345)]