18936350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 19394530

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 643, 775, 950, 1178, 1286, 1550, 2945, 3215, 5890, 6430, 12217, 14725, 16075, 19933, 24434, 29450, 32150, 39866, 61085, 99665, 122170, 199330, 305425, 378727, 498325, 610850, 757454, 996650, 1893635, 3787270, 9468175, 18936350]

約数ペア:

[(1, 18936350), (2, 9468175), (5, 3787270), (10, 1893635), (19, 996650), (25, 757454), (31, 610850), (38, 498325), (50, 378727), (62, 305425), (95, 199330), (155, 122170), (190, 99665), (310, 61085), (475, 39866), (589, 32150), (643, 29450), (775, 24434), (950, 19933), (1178, 16075), (1286, 14725), (1550, 12217), (2945, 6430), (3215, 5890)]