18883370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20307670

約数列:

[1, 2, 5, 10, 11, 22, 41, 53, 55, 79, 82, 106, 110, 158, 205, 265, 395, 410, 451, 530, 583, 790, 869, 902, 1166, 1738, 2173, 2255, 2915, 3239, 4187, 4345, 4346, 4510, 5830, 6478, 8374, 8690, 10865, 16195, 20935, 21730, 23903, 32390, 35629, 41870, 46057, 47806, 71258, 92114, 119515, 171667, 178145, 230285, 239030, 343334, 356290, 460570, 858335, 1716670, 1888337, 3776674, 9441685, 18883370]

約数ペア:

[(1, 18883370), (2, 9441685), (5, 3776674), (10, 1888337), (11, 1716670), (22, 858335), (41, 460570), (53, 356290), (55, 343334), (79, 239030), (82, 230285), (106, 178145), (110, 171667), (158, 119515), (205, 92114), (265, 71258), (395, 47806), (410, 46057), (451, 41870), (530, 35629), (583, 32390), (790, 23903), (869, 21730), (902, 20935), (1166, 16195), (1738, 10865), (2173, 8690), (2255, 8374), (2915, 6478), (3239, 5830), (4187, 4510), (4345, 4346)]