19528020020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{536779}}^1$

素因数の和:536912

約数の個数: 48

約数和(自身を含む): 43827013440

約数和(自身を除く): 24298993420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 3638, 7276, 9095, 18190, 36380, 536779, 1073558, 2147116, 2683895, 5367790, 9125243, 10735580, 18250486, 36500972, 45626215, 57435353, 91252430, 114870706, 182504860, 229741412, 287176765, 574353530, 976401001, 1148707060, 1952802002, 3905604004, 4882005005, 9764010010, 19528020020]

約数ペア:

[(1, 19528020020), (2, 9764010010), (4, 4882005005), (5, 3905604004), (10, 1952802002), (17, 1148707060), (20, 976401001), (34, 574353530), (68, 287176765), (85, 229741412), (107, 182504860), (170, 114870706), (214, 91252430), (340, 57435353), (428, 45626215), (535, 36500972), (1070, 18250486), (1819, 10735580), (2140, 9125243), (3638, 5367790), (7276, 2683895), (9095, 2147116), (18190, 1073558), (36380, 536779)]