19205835

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 17372469

約数列:

[1, 3, 5, 11, 15, 17, 33, 41, 51, 55, 85, 123, 165, 167, 187, 205, 255, 451, 501, 561, 615, 697, 835, 935, 1353, 1837, 2091, 2255, 2505, 2805, 2839, 3485, 5511, 6765, 6847, 7667, 8517, 9185, 10455, 14195, 20541, 23001, 27555, 31229, 34235, 38335, 42585, 75317, 93687, 102705, 115005, 116399, 156145, 225951, 349197, 376585, 468435, 581995, 1129755, 1280389, 1745985, 3841167, 6401945, 19205835]

約数ペア:

[(1, 19205835), (3, 6401945), (5, 3841167), (11, 1745985), (15, 1280389), (17, 1129755), (33, 581995), (41, 468435), (51, 376585), (55, 349197), (85, 225951), (123, 156145), (165, 116399), (167, 115005), (187, 102705), (205, 93687), (255, 75317), (451, 42585), (501, 38335), (561, 34235), (615, 31229), (697, 27555), (835, 23001), (935, 20541), (1353, 14195), (1837, 10455), (2091, 9185), (2255, 8517), (2505, 7667), (2805, 6847), (2839, 6765), (3485, 5511)]