19974996818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5333}}^1\times {\mathrm{14081}}^1$

素因数の和:19442

約数の個数: 32

約数和(自身を含む): 36054426240

約数和(自身を除く): 16079429422

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 5333, 10666, 14081, 28162, 37331, 74662, 98567, 101327, 197134, 202654, 267539, 535078, 709289, 1418578, 1872773, 3745546, 75093973, 150187946, 525657811, 1051315622, 1426785487, 2853570974, 9987498409, 19974996818]

約数ペア:

[(1, 19974996818), (2, 9987498409), (7, 2853570974), (14, 1426785487), (19, 1051315622), (38, 525657811), (133, 150187946), (266, 75093973), (5333, 3745546), (10666, 1872773), (14081, 1418578), (28162, 709289), (37331, 535078), (74662, 267539), (98567, 202654), (101327, 197134)]