19436520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161971}}^1$

素因数の和:161985

約数の個数: 32

約数和(自身を含む): 58309920

約数和(自身を除く): 38873400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161971, 323942, 485913, 647884, 809855, 971826, 1295768, 1619710, 1943652, 2429565, 3239420, 3887304, 4859130, 6478840, 9718260, 19436520]

約数ペア:

[(1, 19436520), (2, 9718260), (3, 6478840), (4, 4859130), (5, 3887304), (6, 3239420), (8, 2429565), (10, 1943652), (12, 1619710), (15, 1295768), (20, 971826), (24, 809855), (30, 647884), (40, 485913), (60, 323942), (120, 161971)]