18778973876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1\times {\mathrm{4673}}^1$

素因数の和:5508

約数の個数: 48

約数和(自身を含む): 35773861200

約数和(自身を除く): 16994887324

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 709, 1417, 1418, 2834, 2836, 4673, 5668, 9217, 9346, 18434, 18692, 36868, 60749, 77281, 121498, 154562, 242996, 309124, 509357, 1004653, 1018714, 2009306, 2037428, 3313157, 4018612, 6621641, 6626314, 13243282, 13252628, 26486564, 43071041, 86142082, 172284164, 361134113, 722268226, 1444536452, 4694743469, 9389486938, 18778973876]

約数ペア:

[(1, 18778973876), (2, 9389486938), (4, 4694743469), (13, 1444536452), (26, 722268226), (52, 361134113), (109, 172284164), (218, 86142082), (436, 43071041), (709, 26486564), (1417, 13252628), (1418, 13243282), (2834, 6626314), (2836, 6621641), (4673, 4018612), (5668, 3313157), (9217, 2037428), (9346, 2009306), (18434, 1018714), (18692, 1004653), (36868, 509357), (60749, 309124), (77281, 242996), (121498, 154562)]