19538355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 33355584

約数和(自身を除く): 13817229

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 397, 579, 965, 1191, 1985, 2895, 3281, 5955, 6749, 9843, 16405, 20247, 33745, 49215, 76621, 101235, 229863, 383105, 1149315, 1302557, 3907671, 6512785, 19538355]

約数ペア:

[(1, 19538355), (3, 6512785), (5, 3907671), (15, 1302557), (17, 1149315), (51, 383105), (85, 229863), (193, 101235), (255, 76621), (397, 49215), (579, 33745), (965, 20247), (1191, 16405), (1985, 9843), (2895, 6749), (3281, 5955)]