19568780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 32589172

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 97, 110, 131, 140, 154, 194, 220, 262, 308, 385, 388, 485, 524, 655, 679, 770, 917, 970, 1067, 1310, 1358, 1441, 1540, 1834, 1940, 2134, 2620, 2716, 2882, 3395, 3668, 4268, 4585, 5335, 5764, 6790, 7205, 7469, 9170, 10087, 10670, 12707, 13580, 14410, 14938, 18340, 20174, 21340, 25414, 28820, 29876, 37345, 40348, 50435, 50828, 63535, 74690, 88949, 100870, 127070, 139777, 149380, 177898, 201740, 254140, 279554, 355796, 444745, 559108, 698885, 889490, 978439, 1397770, 1778980, 1956878, 2795540, 3913756, 4892195, 9784390, 19568780]

約数ペア:

[(1, 19568780), (2, 9784390), (4, 4892195), (5, 3913756), (7, 2795540), (10, 1956878), (11, 1778980), (14, 1397770), (20, 978439), (22, 889490), (28, 698885), (35, 559108), (44, 444745), (55, 355796), (70, 279554), (77, 254140), (97, 201740), (110, 177898), (131, 149380), (140, 139777), (154, 127070), (194, 100870), (220, 88949), (262, 74690), (308, 63535), (385, 50828), (388, 50435), (485, 40348), (524, 37345), (655, 29876), (679, 28820), (770, 25414), (917, 21340), (970, 20174), (1067, 18340), (1310, 14938), (1358, 14410), (1441, 13580), (1540, 12707), (1834, 10670), (1940, 10087), (2134, 9170), (2620, 7469), (2716, 7205), (2882, 6790), (3395, 5764), (3668, 5335), (4268, 4585)]