19679392565

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229591}}^1$

素因数の和:229713

約数の個数: 32

約数和(自身を含む): 28212264960

約数和(自身を除く): 8532872395

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 395, 553, 1085, 2449, 2765, 12245, 17143, 85715, 229591, 1147955, 1607137, 7117321, 8035685, 18137689, 35586605, 49821247, 90688445, 126963823, 249106235, 562268359, 634819115, 2811341795, 3935878513, 19679392565]

約数ペア:

[(1, 19679392565), (5, 3935878513), (7, 2811341795), (31, 634819115), (35, 562268359), (79, 249106235), (155, 126963823), (217, 90688445), (395, 49821247), (553, 35586605), (1085, 18137689), (2449, 8035685), (2765, 7117321), (12245, 1607137), (17143, 1147955), (85715, 229591)]