19458702940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{163601}}^1$

素因数の和:163942

約数の個数: 48

約数和(自身を含む): 43151663520

約数和(自身を除く): 23692960580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 313, 380, 626, 1252, 1565, 3130, 5947, 6260, 11894, 23788, 29735, 59470, 118940, 163601, 327202, 654404, 818005, 1636010, 3108419, 3272020, 6216838, 12433676, 15542095, 31084190, 51207113, 62168380, 102414226, 204828452, 256035565, 512071130, 972935147, 1024142260, 1945870294, 3891740588, 4864675735, 9729351470, 19458702940]

約数ペア:

[(1, 19458702940), (2, 9729351470), (4, 4864675735), (5, 3891740588), (10, 1945870294), (19, 1024142260), (20, 972935147), (38, 512071130), (76, 256035565), (95, 204828452), (190, 102414226), (313, 62168380), (380, 51207113), (626, 31084190), (1252, 15542095), (1565, 12433676), (3130, 6216838), (5947, 3272020), (6260, 3108419), (11894, 1636010), (23788, 818005), (29735, 654404), (59470, 327202), (118940, 163601)]