2019241515

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 3419868672

約数和(自身を除く): 1400627157

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 211, 215, 401, 555, 633, 645, 1055, 1203, 1591, 2005, 3165, 4773, 6015, 7807, 7955, 9073, 14837, 17243, 23421, 23865, 27219, 39035, 44511, 45365, 51729, 74185, 84611, 86215, 117105, 136095, 222555, 253833, 258645, 335701, 423055, 637991, 1007103, 1269165, 1678505, 1913973, 3130607, 3189955, 3638273, 5035515, 9391821, 9569865, 10914819, 15653035, 18191365, 46959105, 54574095, 134616101, 403848303, 673080505, 2019241515]

約数ペア:

[(1, 2019241515), (3, 673080505), (5, 403848303), (15, 134616101), (37, 54574095), (43, 46959105), (111, 18191365), (129, 15653035), (185, 10914819), (211, 9569865), (215, 9391821), (401, 5035515), (555, 3638273), (633, 3189955), (645, 3130607), (1055, 1913973), (1203, 1678505), (1591, 1269165), (2005, 1007103), (3165, 637991), (4773, 423055), (6015, 335701), (7807, 258645), (7955, 253833), (9073, 222555), (14837, 136095), (17243, 117105), (23421, 86215), (23865, 84611), (27219, 74185), (39035, 51729), (44511, 45365)]