19279295530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1\times {\mathrm{2039}}^1$

素因数の和:4099

約数の個数: 64

約数和(自身を含む): 38776320000

約数和(自身を除く): 19497024470

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 1999, 2039, 2365, 3998, 4078, 4730, 9995, 10195, 19990, 20390, 21989, 22429, 43978, 44858, 85957, 87677, 109945, 112145, 171914, 175354, 219890, 224290, 429785, 438385, 859570, 876770, 945527, 964447, 1891054, 1928894, 4075961, 4727635, 4822235, 8151922, 9455270, 9644470, 20379805, 40759610, 44835571, 89671142, 175266323, 224177855, 350532646, 448355710, 876331615, 1752663230, 1927929553, 3855859106, 9639647765, 19279295530]

約数ペア:

[(1, 19279295530), (2, 9639647765), (5, 3855859106), (10, 1927929553), (11, 1752663230), (22, 876331615), (43, 448355710), (55, 350532646), (86, 224177855), (110, 175266323), (215, 89671142), (430, 44835571), (473, 40759610), (946, 20379805), (1999, 9644470), (2039, 9455270), (2365, 8151922), (3998, 4822235), (4078, 4727635), (4730, 4075961), (9995, 1928894), (10195, 1891054), (19990, 964447), (20390, 945527), (21989, 876770), (22429, 859570), (43978, 438385), (44858, 429785), (85957, 224290), (87677, 219890), (109945, 175354), (112145, 171914)]