19429630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1021}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 38410848

約数和(自身を除く): 18981218

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1021, 1730, 1903, 2042, 3806, 5105, 9515, 10210, 11231, 19030, 22462, 56155, 112310, 176633, 353266, 883165, 1766330, 1942963, 3885926, 9714815, 19429630]

約数ペア:

[(1, 19429630), (2, 9714815), (5, 3885926), (10, 1942963), (11, 1766330), (22, 883165), (55, 353266), (110, 176633), (173, 112310), (346, 56155), (865, 22462), (1021, 19030), (1730, 11231), (1903, 10210), (2042, 9515), (3806, 5105)]