1619640446

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{20521}}^1$

素因数の和:20640

約数の個数: 32

約数和(自身を含む): 2679352320

約数和(自身を除く): 1059711874

約数列:

[1, 2, 19, 31, 38, 62, 67, 134, 589, 1178, 1273, 2077, 2546, 4154, 20521, 39463, 41042, 78926, 389899, 636151, 779798, 1272302, 1374907, 2749814, 12086869, 24173738, 26123233, 42622117, 52246466, 85244234, 809820223, 1619640446]

約数ペア:

[(1, 1619640446), (2, 809820223), (19, 85244234), (31, 52246466), (38, 42622117), (62, 26123233), (67, 24173738), (134, 12086869), (589, 2749814), (1178, 1374907), (1273, 1272302), (2077, 779798), (2546, 636151), (4154, 389899), (20521, 78926), (39463, 41042)]