19614460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 24414980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 727, 1349, 1420, 1454, 2698, 2908, 3635, 5396, 6745, 7270, 13490, 13813, 14540, 26980, 27626, 51617, 55252, 69065, 103234, 138130, 206468, 258085, 276260, 516170, 980723, 1032340, 1961446, 3922892, 4903615, 9807230, 19614460]

約数ペア:

[(1, 19614460), (2, 9807230), (4, 4903615), (5, 3922892), (10, 1961446), (19, 1032340), (20, 980723), (38, 516170), (71, 276260), (76, 258085), (95, 206468), (142, 138130), (190, 103234), (284, 69065), (355, 55252), (380, 51617), (710, 27626), (727, 26980), (1349, 14540), (1420, 13813), (1454, 13490), (2698, 7270), (2908, 6745), (3635, 5396)]