19271280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11471}}^1$

素因数の和:11494

約数の個数: 80

約数和(自身を含む): 68281344

約数和(自身を除く): 49010064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11471, 22942, 34413, 45884, 57355, 68826, 80297, 91768, 114710, 137652, 160594, 172065, 183536, 229420, 240891, 275304, 321188, 344130, 401485, 458840, 481782, 550608, 642376, 688260, 802970, 917680, 963564, 1204455, 1284752, 1376520, 1605940, 1927128, 2408910, 2753040, 3211880, 3854256, 4817820, 6423760, 9635640, 19271280]

約数ペア:

[(1, 19271280), (2, 9635640), (3, 6423760), (4, 4817820), (5, 3854256), (6, 3211880), (7, 2753040), (8, 2408910), (10, 1927128), (12, 1605940), (14, 1376520), (15, 1284752), (16, 1204455), (20, 963564), (21, 917680), (24, 802970), (28, 688260), (30, 642376), (35, 550608), (40, 481782), (42, 458840), (48, 401485), (56, 344130), (60, 321188), (70, 275304), (80, 240891), (84, 229420), (105, 183536), (112, 172065), (120, 160594), (140, 137652), (168, 114710), (210, 91768), (240, 80297), (280, 68826), (336, 57355), (420, 45884), (560, 34413), (840, 22942), (1680, 11471)]