19952888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 39690000

約数和(自身を除く): 19737112

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 881, 1192, 1762, 2831, 3524, 5662, 7048, 11324, 16739, 22648, 33478, 66956, 131269, 133912, 262538, 525076, 1050152, 2494111, 4988222, 9976444, 19952888]

約数ペア:

[(1, 19952888), (2, 9976444), (4, 4988222), (8, 2494111), (19, 1050152), (38, 525076), (76, 262538), (149, 133912), (152, 131269), (298, 66956), (596, 33478), (881, 22648), (1192, 16739), (1762, 11324), (2831, 7048), (3524, 5662)]