19737695380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{359783}}^1$

素因数の和:360016

約数の個数: 48

約数和(自身を含む): 44849234304

約数和(自身を除く): 25111538924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 27430, 54860, 359783, 719566, 1439132, 1798915, 3597830, 4677179, 7195660, 9354358, 18708716, 23385895, 46771790, 75914213, 93543580, 151828426, 303656852, 379571065, 759142130, 986884769, 1518284260, 1973769538, 3947539076, 4934423845, 9868847690, 19737695380]

約数ペア:

[(1, 19737695380), (2, 9868847690), (4, 4934423845), (5, 3947539076), (10, 1973769538), (13, 1518284260), (20, 986884769), (26, 759142130), (52, 379571065), (65, 303656852), (130, 151828426), (211, 93543580), (260, 75914213), (422, 46771790), (844, 23385895), (1055, 18708716), (2110, 9354358), (2743, 7195660), (4220, 4677179), (5486, 3597830), (10972, 1798915), (13715, 1439132), (27430, 719566), (54860, 359783)]