19898466

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 51477120

約数和(自身を除く): 31578654

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 31, 34, 42, 51, 58, 62, 87, 93, 102, 119, 174, 186, 203, 217, 238, 357, 406, 434, 493, 527, 609, 651, 714, 899, 961, 986, 1054, 1218, 1302, 1479, 1581, 1798, 1922, 2697, 2883, 2958, 3162, 3451, 3689, 5394, 5766, 6293, 6727, 6902, 7378, 10353, 11067, 12586, 13454, 15283, 16337, 18879, 20181, 20706, 22134, 27869, 30566, 32674, 37758, 40362, 45849, 49011, 55738, 83607, 91698, 98022, 106981, 114359, 167214, 195083, 213962, 228718, 320943, 343077, 390166, 473773, 585249, 641886, 686154, 947546, 1170498, 1421319, 2842638, 3316411, 6632822, 9949233, 19898466]

約数ペア:

[(1, 19898466), (2, 9949233), (3, 6632822), (6, 3316411), (7, 2842638), (14, 1421319), (17, 1170498), (21, 947546), (29, 686154), (31, 641886), (34, 585249), (42, 473773), (51, 390166), (58, 343077), (62, 320943), (87, 228718), (93, 213962), (102, 195083), (119, 167214), (174, 114359), (186, 106981), (203, 98022), (217, 91698), (238, 83607), (357, 55738), (406, 49011), (434, 45849), (493, 40362), (527, 37758), (609, 32674), (651, 30566), (714, 27869), (899, 22134), (961, 20706), (986, 20181), (1054, 18879), (1218, 16337), (1302, 15283), (1479, 13454), (1581, 12586), (1798, 11067), (1922, 10353), (2697, 7378), (2883, 6902), (2958, 6727), (3162, 6293), (3451, 5766), (3689, 5394)]