19751840065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{67807}}^1$

素因数の和:68001

約数の個数: 32

約数和(自身を含む): 26363750400

約数和(自身を除く): 6611910335

約数列:

[1, 5, 17, 23, 85, 115, 149, 391, 745, 1955, 2533, 3427, 12665, 17135, 58259, 67807, 291295, 339035, 1152719, 1559561, 5763595, 7797805, 10103243, 26512537, 50516215, 132562685, 171755131, 232374589, 858775655, 1161872945, 3950368013, 19751840065]

約数ペア:

[(1, 19751840065), (5, 3950368013), (17, 1161872945), (23, 858775655), (85, 232374589), (115, 171755131), (149, 132562685), (391, 50516215), (745, 26512537), (1955, 10103243), (2533, 7797805), (3427, 5763595), (12665, 1559561), (17135, 1152719), (58259, 339035), (67807, 291295)]