2019390015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3677}}^1$

素因数の和:3792

約数の個数: 64

約数和(自身を含む): 3559127040

約数和(自身を除く): 1539737025

約数列:

[1, 3, 5, 15, 19, 41, 47, 57, 95, 123, 141, 205, 235, 285, 615, 705, 779, 893, 1927, 2337, 2679, 3677, 3895, 4465, 5781, 9635, 11031, 11685, 13395, 18385, 28905, 36613, 55155, 69863, 109839, 150757, 172819, 183065, 209589, 349315, 452271, 518457, 549195, 753785, 864095, 1047945, 2261355, 2592285, 2864383, 3283561, 7085579, 8593149, 9850683, 14321915, 16417805, 21256737, 35427895, 42965745, 49253415, 106283685, 134626001, 403878003, 673130005, 2019390015]

約数ペア:

[(1, 2019390015), (3, 673130005), (5, 403878003), (15, 134626001), (19, 106283685), (41, 49253415), (47, 42965745), (57, 35427895), (95, 21256737), (123, 16417805), (141, 14321915), (205, 9850683), (235, 8593149), (285, 7085579), (615, 3283561), (705, 2864383), (779, 2592285), (893, 2261355), (1927, 1047945), (2337, 864095), (2679, 753785), (3677, 549195), (3895, 518457), (4465, 452271), (5781, 349315), (9635, 209589), (11031, 183065), (11685, 172819), (13395, 150757), (18385, 109839), (28905, 69863), (36613, 55155)]