19331690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22658710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 89, 107, 145, 178, 203, 214, 290, 406, 445, 535, 623, 749, 890, 1015, 1070, 1246, 1498, 2030, 2581, 3103, 3115, 3745, 5162, 6206, 6230, 7490, 9523, 12905, 15515, 18067, 19046, 21721, 25810, 31030, 36134, 43442, 47615, 66661, 90335, 95230, 108605, 133322, 180670, 217210, 276167, 333305, 552334, 666610, 1380835, 1933169, 2761670, 3866338, 9665845, 19331690]

約数ペア:

[(1, 19331690), (2, 9665845), (5, 3866338), (7, 2761670), (10, 1933169), (14, 1380835), (29, 666610), (35, 552334), (58, 333305), (70, 276167), (89, 217210), (107, 180670), (145, 133322), (178, 108605), (203, 95230), (214, 90335), (290, 66661), (406, 47615), (445, 43442), (535, 36134), (623, 31030), (749, 25810), (890, 21721), (1015, 19046), (1070, 18067), (1246, 15515), (1498, 12905), (2030, 9523), (2581, 7490), (3103, 6230), (3115, 6206), (3745, 5162)]