19912314640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13100207}}^1$

素因数の和:13100239

約数の個数: 40

約数和(自身を含む): 48732773760

約数和(自身を除く): 28820459120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13100207, 26200414, 52400828, 65501035, 104801656, 131002070, 209603312, 248903933, 262004140, 497807866, 524008280, 995615732, 1048016560, 1244519665, 1991231464, 2489039330, 3982462928, 4978078660, 9956157320, 19912314640]

約数ペア:

[(1, 19912314640), (2, 9956157320), (4, 4978078660), (5, 3982462928), (8, 2489039330), (10, 1991231464), (16, 1244519665), (19, 1048016560), (20, 995615732), (38, 524008280), (40, 497807866), (76, 262004140), (80, 248903933), (95, 209603312), (152, 131002070), (190, 104801656), (304, 65501035), (380, 52400828), (760, 26200414), (1520, 13100207)]